NP Core Implementation Guide
1.0.0 - Release Nepal flag

NP Core Implementation Guide - Local Development build (v1.0.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

Resource Profile: NP Core Radiology Report - Detailed Descriptions

Active as of 2026-10-14

Definitions for the np-core-radiology-report resource profile

See the documentation on how to interpret the contents of this table

0. DiagnosticReport
Definition

The findings and interpretation of diagnostic tests performed on patients, groups of patients, devices, and locations, and/or specimens derived from these. The report includes clinical context such as requesting and provider information, and some mix of atomic results, images, textual and coded interpretations, and formatted representation of diagnostic reports.

ShortA Diagnostic report - a combination of request information, atomic results, images, interpretation, as well as formatted reports
Comments

This is intended to capture a single report and is not suitable for use in displaying summary information that covers multiple reports. For example, this resource has not been designed for laboratory cumulative reporting formats nor detailed structured reports for sequencing.

Control0..*
Is Modifierfalse
Summaryfalse
Alternate NamesReport, Test, Result, Results, Labs, Laboratory
Invariantsdom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources (contained.contained.empty())
dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource (contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty())
dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (contained.meta.versionId.empty() and contained.meta.lastUpdated.empty())
dom-5: If a resource is contained in another resource, it SHALL NOT have a security label (contained.meta.security.empty())
dom-6: A resource should have narrative for robust management (text.`div`.exists())
2. DiagnosticReport.implicitRules
Definition

A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.

ShortA set of rules under which this content was created
Comments

Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.

Control0..1
Typeuri
Is Modifiertrue because This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Summarytrue
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
4. DiagnosticReport.modifierExtension
Definition

May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

ShortExtensions that cannot be ignored
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

Control0..*
TypeExtension
Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them
Summaryfalse
Requirements

Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

Alternate Namesextensions, user content
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
6. DiagnosticReport.status
Definition

The status of the diagnostic report.

Shortregistered | partial | preliminary | final +
Control1..1
BindingThe codes SHALL be taken from DiagnosticReportStatushttp://hl7.org/fhir/ValueSet/diagnostic-report-status|4.0.1
(required to http://hl7.org/fhir/ValueSet/diagnostic-report-status|4.0.1)

The status of the diagnostic report.

Typecode
Is Modifiertrue because This element is labeled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Must Supporttrue
Obligations
    ObligationsActor
    SHALL:able-to-populateNP Core Creator
    SHALL:handleNP Core Consumer
    SHALL:handleNP Core Server
    Summarytrue
    Requirements

    Diagnostic services routinely issue provisional/incomplete reports, and sometimes withdraw previously released reports.

    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    8. DiagnosticReport.category
    Definition

    A code that classifies the clinical discipline, department or diagnostic service that created the report (e.g. cardiology, biochemistry, hematology, MRI). This is used for searching, sorting and display purposes.

    ShortService category
    Comments

    Multiple categories are allowed using various categorization schemes. The level of granularity is defined by the category concepts in the value set. More fine-grained filtering can be performed using the metadata and/or terminology hierarchy in DiagnosticReport.code.

    Control10..*
    BindingFor example codes, see DiagnosticServiceSectionCodeshttp://hl7.org/fhir/ValueSet/diagnostic-service-sections|4.0.1
    (example to http://hl7.org/fhir/ValueSet/diagnostic-service-sections|4.0.1)

    Codes for diagnostic service sections.

    TypeCodeableConcept
    Is Modifierfalse
    Must Supporttrue
    Obligations
      ObligationsActor
      SHALL:able-to-populateNP Core Creator
      SHALL:handleNP Core Consumer
      SHALL:handleNP Core Server
      Summarytrue
      Alternate NamesDepartment, Sub-department, Service, Discipline
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      SlicingThis element introduces a set of slices on DiagnosticReport.category. The slices areUnordered and Open, and can be differentiated using the following discriminators:
      • pattern @ $this
      • Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them

        10. DiagnosticReport.category:rad
        Slice Namerad
        Definition

        A code that classifies the clinical discipline, department or diagnostic service that created the report (e.g. cardiology, biochemistry, hematology, MRI). This is used for searching, sorting and display purposes.

        ShortService category
        Comments

        Multiple categories are allowed using various categorization schemes. The level of granularity is defined by the category concepts in the value set. More fine-grained filtering can be performed using the metadata and/or terminology hierarchy in DiagnosticReport.code.

        Control10..1*
        BindingFor example codes, see DiagnosticServiceSectionCodeshttp://hl7.org/fhir/ValueSet/diagnostic-service-sections|4.0.1
        (example to http://hl7.org/fhir/ValueSet/diagnostic-service-sections|4.0.1)

        Codes for diagnostic service sections.

        TypeCodeableConcept
        Is Modifierfalse
        Must Supporttrue
        Summarytrue
        Alternate NamesDepartment, Sub-department, Service, Discipline
        Pattern Value{
          "coding" : [{
            "system" : "http://terminology.hl7.org/CodeSystem/v2-0074",
            "code" : "RAD",
            "display" : "Radiology"
          }]
        }
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        12. DiagnosticReport.code
        Definition

        A code or name that describes this diagnostic report.

        ShortName/Code for this diagnostic report
        Control1..1
        BindingUnless not suitable, these codes SHALL be taken from The codes SHOULD be taken from LOINCDiagnosticReportCodeshttp://hl7.org/fhir/ValueSet/report-codes|4.0.1
        (extensible to http://hl7.org/fhir/ValueSet/report-codes)
        TypeCodeableConcept
        Is Modifierfalse
        Must Supporttrue
        Obligations
          ObligationsActor
          SHALL:able-to-populateNP Core Creator
          SHALL:handleNP Core Consumer
          SHALL:handleNP Core Server
          Summarytrue
          Alternate NamesType
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          14. DiagnosticReport.subject
          Definition

          The subject of the report. Usually, but not always, this is a patient. However, diagnostic services also perform analyses on specimens collected from a variety of other sources.

          ShortThe subject of the report - usually, but not always, the patient
          Control10..1
          TypeReference(NP Core Patient, Patient, Group, Device, Location)
          Is Modifierfalse
          Must Supporttrue
          Obligations
            ObligationsActor
            SHALL:able-to-populateNP Core Creator
            SHALL:handleNP Core Consumer
            SHALL:handleNP Core Server
            Summarytrue
            Requirements

            SHALL know the subject context.

            Alternate NamesPatient
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            16. DiagnosticReport.encounter
            Definition

            The healthcare event (e.g. a patient and healthcare provider interaction) which this DiagnosticReport is about.

            ShortHealth care event when test ordered
            Comments

            This will typically be the encounter the event occurred within, but some events may be initiated prior to or after the official completion of an encounter but still be tied to the context of the encounter (e.g. pre-admission laboratory tests).

            Control10..1
            TypeReference(NP Core Encounter, Encounter)
            Is Modifierfalse
            Must Supporttrue
            Obligations
              ObligationsActor
              SHALL:able-to-populateNP Core Creator
              SHALL:handleNP Core Consumer
              SHALL:handleNP Core Server
              Summarytrue
              Requirements

              Links the request to the Encounter context.

              Alternate NamesContext
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              18. DiagnosticReport.issued
              Definition

              The date and time that this version of the report was made available to providers, typically after the report was reviewed and verified.

              ShortDateTime this version was made
              Comments

              May be different from the update time of the resource itself, because that is the status of the record (potentially a secondary copy), not the actual release time of the report.

              Control10..1
              Typeinstant
              Is Modifierfalse
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Must Supporttrue
              Obligations
                ObligationsActor
                SHALL:able-to-populateNP Core Creator
                SHALL:handleNP Core Consumer
                SHALL:handleNP Core Server
                Summarytrue
                Requirements

                Clinicians need to be able to check the date that the report was released.

                Alternate NamesDate published, Date Issued, Date Verified
                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                20. DiagnosticReport.performer
                Definition

                The diagnostic service that is responsible for issuing the report.

                ShortResponsible Diagnostic Service
                Comments

                This is not necessarily the source of the atomic data items or the entity that interpreted the results. It is the entity that takes responsibility for the clinical report.

                Control10..*
                TypeReference(NP Core Practitioner, NP Core PractitionerRole, NP Core Organization, CareTeam, Practitioner, PractitionerRole, Organization, CareTeam)
                Is Modifierfalse
                Must Supporttrue
                Must Support TypesNo must-support rules about the choice of types/profiles
                Obligations
                  ObligationsActor
                  SHALL:able-to-populateNP Core Creator
                  SHALL:handleNP Core Consumer
                  SHALL:handleNP Core Server
                  Summarytrue
                  Requirements

                  Need to know whom to contact if there are queries about the results. Also may need to track the source of reports for secondary data analysis.

                  Alternate NamesLaboratory, Service, Practitioner, Department, Company, Authorized by, Director
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  22. DiagnosticReport.resultsInterpreter
                  Definition

                  The practitioner or organization that is responsible for the report's conclusions and interpretations.

                  ShortPrimary result interpreter
                  Comments

                  Might not be the same entity that takes responsibility for the clinical report.

                  Control0..*
                  TypeReference(NP Core Practitioner, NP Core PractitionerRole, NP Core Organization, CareTeam, Practitioner, PractitionerRole, Organization, CareTeam)
                  Is Modifierfalse
                  Must Supporttrue
                  Must Support TypesNo must-support rules about the choice of types/profiles
                  Obligations
                    ObligationsActor
                    SHOULD:able-to-populateNP Core Creator
                    SHALL:handleNP Core Consumer
                    SHALL:handleNP Core Server
                    Summarytrue
                    Requirements

                    Need to know whom to contact if there are queries about the results. Also may need to track the source of reports for secondary data analysis.

                    Alternate NamesAnalyzed by, Reported by
                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    24. DiagnosticReport.result
                    Definition

                    Observations that are part of this diagnostic report.

                    ShortObservations
                    Comments

                    Observations can contain observations.

                    Control0..*
                    TypeReference(NP Core Observation, Observation)
                    Is Modifierfalse
                    Must Supporttrue
                    Obligations
                      ObligationsActor
                      SHALL:populate-if-knownNP Core Creator
                      SHALL:handleNP Core Consumer
                      SHALL:handleNP Core Server
                      Summaryfalse
                      Requirements

                      Need to support individual results, or groups of results, where the result grouping is arbitrary, but meaningful.

                      Alternate NamesData, Atomic Value, Result, Atomic result, Data, Test, Analyte, Battery, Organizer
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      26. DiagnosticReport.imagingStudy
                      Definition

                      One or more links to full details of any imaging performed during the diagnostic investigation. Typically, this is imaging performed by DICOM enabled modalities, but this is not required. A fully enabled PACS viewer can use this information to provide views of the source images.

                      ShortReference to full details of imaging associated with the diagnostic report
                      Comments

                      ImagingStudy and the image element are somewhat overlapping - typically, the list of image references in the image element will also be found in one of the imaging study resources. However, each caters to different types of displays for different types of purposes. Neither, either, or both may be provided.

                      Control0..*
                      TypeReference(ImagingStudy)
                      Is Modifierfalse
                      Must Supporttrue
                      Obligations
                        ObligationsActor
                        SHALL:populate-if-knownNP Core Creator
                        SHALL:handleNP Core Consumer
                        SHALL:handleNP Core Server
                        Summaryfalse
                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                        28. DiagnosticReport.conclusion
                        Definition

                        Concise and clinically contextualized summary conclusion (interpretation/impression) of the diagnostic report.

                        ShortClinical conclusion (interpretation) of test results
                        Control0..1
                        Typestring
                        Is Modifierfalse
                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                        Must Supporttrue
                        Obligations
                          ObligationsActor
                          SHOULD:able-to-populateNP Core Creator
                          SHALL:handleNP Core Consumer
                          SHALL:handleNP Core Server
                          Summaryfalse
                          Requirements

                          Need to be able to provide a conclusion that is not lost among the basic result data.

                          Alternate NamesReport
                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          30. DiagnosticReport.conclusionCode
                          Definition

                          One or more codes that represent the summary conclusion (interpretation/impression) of the diagnostic report.

                          ShortCodes for the clinical conclusion of test results
                          Control0..*
                          BindingFor example codes, see SNOMEDCTClinicalFindingshttp://hl7.org/fhir/ValueSet/clinical-findings|4.0.1
                          (example to http://hl7.org/fhir/ValueSet/clinical-findings|4.0.1)

                          Diagnosis codes provided as adjuncts to the report.

                          TypeCodeableConcept
                          Is Modifierfalse
                          Must Supporttrue
                          Obligations
                            ObligationsActor
                            MAY:able-to-populateNP Core Creator
                            SHALL:handleNP Core Consumer
                            SHALL:handleNP Core Server
                            Summaryfalse
                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                            32. DiagnosticReport.presentedForm
                            Definition

                            Rich text representation of the entire result as issued by the diagnostic service. Multiple formats are allowed but they SHALL be semantically equivalent.

                            ShortEntire report as issued
                            Comments

                            "application/pdf" is recommended as the most reliable and interoperable in this context.

                            Control0..*
                            TypeAttachment
                            Is Modifierfalse
                            Must Supporttrue
                            Obligations
                              ObligationsActor
                              SHALL:populate-if-knownNP Core Creator
                              SHALL:handleNP Core Consumer
                              SHALL:handleNP Core Server
                              Summaryfalse
                              Requirements

                              Gives laboratory the ability to provide its own fully formatted report for clinical fidelity.

                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))

                              See the documentation on how to interpret the contents of this table

                              0. DiagnosticReport
                              2. DiagnosticReport.status
                              Must Supporttrue
                              Obligations
                                ObligationsActor
                                SHALL:able-to-populateNP Core Creator
                                SHALL:handleNP Core Consumer
                                SHALL:handleNP Core Server
                                4. DiagnosticReport.category
                                Control1..?
                                Must Supporttrue
                                Obligations
                                  ObligationsActor
                                  SHALL:able-to-populateNP Core Creator
                                  SHALL:handleNP Core Consumer
                                  SHALL:handleNP Core Server
                                  SlicingThis element introduces a set of slices on DiagnosticReport.category. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                  • pattern @ $this
                                  • Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them

                                    6. DiagnosticReport.category:rad
                                    Slice Namerad
                                    Control1..1
                                    Must Supporttrue
                                    Pattern Value{
                                      "coding" : [{
                                        "system" : "http://terminology.hl7.org/CodeSystem/v2-0074",
                                        "code" : "RAD",
                                        "display" : "Radiology"
                                      }]
                                    }
                                    8. DiagnosticReport.code
                                    BindingUnless not suitable, these codes SHALL be taken from LOINCDiagnosticReportCodes
                                    (extensible to http://hl7.org/fhir/ValueSet/report-codes)
                                    Must Supporttrue
                                    Obligations
                                      ObligationsActor
                                      SHALL:able-to-populateNP Core Creator
                                      SHALL:handleNP Core Consumer
                                      SHALL:handleNP Core Server
                                      10. DiagnosticReport.subject
                                      Control1..?
                                      TypeReference(NP Core Patient)
                                      Must Supporttrue
                                      Obligations
                                        ObligationsActor
                                        SHALL:able-to-populateNP Core Creator
                                        SHALL:handleNP Core Consumer
                                        SHALL:handleNP Core Server
                                        12. DiagnosticReport.encounter
                                        Control1..?
                                        TypeReference(NP Core Encounter)
                                        Must Supporttrue
                                        Obligations
                                          ObligationsActor
                                          SHALL:able-to-populateNP Core Creator
                                          SHALL:handleNP Core Consumer
                                          SHALL:handleNP Core Server
                                          14. DiagnosticReport.issued
                                          Control1..?
                                          Must Supporttrue
                                          Obligations
                                            ObligationsActor
                                            SHALL:able-to-populateNP Core Creator
                                            SHALL:handleNP Core Consumer
                                            SHALL:handleNP Core Server
                                            16. DiagnosticReport.performer
                                            Control1..?
                                            TypeReference(NP Core Practitioner, NP Core PractitionerRole, NP Core Organization, CareTeam)
                                            Must Supporttrue
                                            Must Support TypesNo must-support rules about the choice of types/profiles
                                            Obligations
                                              ObligationsActor
                                              SHALL:able-to-populateNP Core Creator
                                              SHALL:handleNP Core Consumer
                                              SHALL:handleNP Core Server
                                              18. DiagnosticReport.resultsInterpreter
                                              TypeReference(NP Core Practitioner, NP Core PractitionerRole, NP Core Organization, CareTeam)
                                              Must Supporttrue
                                              Must Support TypesNo must-support rules about the choice of types/profiles
                                              Obligations
                                                ObligationsActor
                                                SHOULD:able-to-populateNP Core Creator
                                                SHALL:handleNP Core Consumer
                                                SHALL:handleNP Core Server
                                                20. DiagnosticReport.result
                                                TypeReference(NP Core Observation)
                                                Must Supporttrue
                                                Obligations
                                                  ObligationsActor
                                                  SHALL:populate-if-knownNP Core Creator
                                                  SHALL:handleNP Core Consumer
                                                  SHALL:handleNP Core Server
                                                  22. DiagnosticReport.imagingStudy
                                                  Must Supporttrue
                                                  Obligations
                                                    ObligationsActor
                                                    SHALL:populate-if-knownNP Core Creator
                                                    SHALL:handleNP Core Consumer
                                                    SHALL:handleNP Core Server
                                                    24. DiagnosticReport.conclusion
                                                    Must Supporttrue
                                                    Obligations
                                                      ObligationsActor
                                                      SHOULD:able-to-populateNP Core Creator
                                                      SHALL:handleNP Core Consumer
                                                      SHALL:handleNP Core Server
                                                      26. DiagnosticReport.conclusionCode
                                                      Must Supporttrue
                                                      Obligations
                                                        ObligationsActor
                                                        MAY:able-to-populateNP Core Creator
                                                        SHALL:handleNP Core Consumer
                                                        SHALL:handleNP Core Server
                                                        28. DiagnosticReport.presentedForm
                                                        Must Supporttrue
                                                        Obligations
                                                          ObligationsActor
                                                          SHALL:populate-if-knownNP Core Creator
                                                          SHALL:handleNP Core Consumer
                                                          SHALL:handleNP Core Server

                                                          See the documentation on how to interpret the contents of this table

                                                          0. DiagnosticReport
                                                          Definition

                                                          The findings and interpretation of diagnostic tests performed on patients, groups of patients, devices, and locations, and/or specimens derived from these. The report includes clinical context such as requesting and provider information, and some mix of atomic results, images, textual and coded interpretations, and formatted representation of diagnostic reports.

                                                          ShortA Diagnostic report - a combination of request information, atomic results, images, interpretation, as well as formatted reports
                                                          Comments

                                                          This is intended to capture a single report and is not suitable for use in displaying summary information that covers multiple reports. For example, this resource has not been designed for laboratory cumulative reporting formats nor detailed structured reports for sequencing.

                                                          Control0..*
                                                          Is Modifierfalse
                                                          Summaryfalse
                                                          Alternate NamesReport, Test, Result, Results, Labs, Laboratory
                                                          Invariantsdom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources (contained.contained.empty())
                                                          dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource (contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty())
                                                          dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (contained.meta.versionId.empty() and contained.meta.lastUpdated.empty())
                                                          dom-5: If a resource is contained in another resource, it SHALL NOT have a security label (contained.meta.security.empty())
                                                          dom-6: A resource should have narrative for robust management (text.`div`.exists())
                                                          2. DiagnosticReport.id
                                                          Definition

                                                          The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.

                                                          ShortLogical id of this artifact
                                                          Comments

                                                          The only time that a resource does not have an id is when it is being submitted to the server using a create operation.

                                                          Control0..1
                                                          Typeid
                                                          Is Modifierfalse
                                                          Summarytrue
                                                          4. DiagnosticReport.meta
                                                          Definition

                                                          The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.

                                                          ShortMetadata about the resource
                                                          Control0..1
                                                          TypeMeta
                                                          Is Modifierfalse
                                                          Summarytrue
                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                          6. DiagnosticReport.implicitRules
                                                          Definition

                                                          A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.

                                                          ShortA set of rules under which this content was created
                                                          Comments

                                                          Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.

                                                          Control0..1
                                                          Typeuri
                                                          Is Modifiertrue because This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation
                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                          Summarytrue
                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                          8. DiagnosticReport.language
                                                          Definition

                                                          The base language in which the resource is written.

                                                          ShortLanguage of the resource content
                                                          Comments

                                                          Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).

                                                          Control0..1
                                                          BindingThe codes SHOULD be taken from CommonLanguages
                                                          (preferred to http://hl7.org/fhir/ValueSet/languages|4.0.1)

                                                          A human language.

                                                          Additional BindingsPurpose
                                                          AllLanguagesMax Binding
                                                          Typecode
                                                          Is Modifierfalse
                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                          Summaryfalse
                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                          10. DiagnosticReport.text
                                                          Definition

                                                          A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it "clinically safe" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.

                                                          ShortText summary of the resource, for human interpretation
                                                          Comments

                                                          Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied). This may be necessary for data from legacy systems where information is captured as a "text blob" or where text is additionally entered raw or narrated and encoded information is added later.

                                                          Control0..1
                                                          TypeNarrative
                                                          Is Modifierfalse
                                                          Summaryfalse
                                                          Alternate Namesnarrative, html, xhtml, display
                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                          12. DiagnosticReport.contained
                                                          Definition

                                                          These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.

                                                          ShortContained, inline Resources
                                                          Comments

                                                          This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels.

                                                          Control0..*
                                                          TypeResource
                                                          Is Modifierfalse
                                                          Summaryfalse
                                                          Alternate Namesinline resources, anonymous resources, contained resources
                                                          14. DiagnosticReport.extension
                                                          Definition

                                                          May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                          ShortAdditional content defined by implementations
                                                          Comments

                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                          Control0..*
                                                          TypeExtension
                                                          Is Modifierfalse
                                                          Summaryfalse
                                                          Alternate Namesextensions, user content
                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                          16. DiagnosticReport.modifierExtension
                                                          Definition

                                                          May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                          ShortExtensions that cannot be ignored
                                                          Comments

                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                          Control0..*
                                                          TypeExtension
                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them
                                                          Summaryfalse
                                                          Requirements

                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                          Alternate Namesextensions, user content
                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                          18. DiagnosticReport.identifier
                                                          Definition

                                                          Identifiers assigned to this report by the performer or other systems.

                                                          ShortBusiness identifier for report
                                                          Comments

                                                          Usually assigned by the Information System of the diagnostic service provider (filler id).

                                                          NoteThis is a business identifier, not a resource identifier (see discussion)
                                                          Control0..*
                                                          TypeIdentifier
                                                          Is Modifierfalse
                                                          Summarytrue
                                                          Requirements

                                                          Need to know what identifier to use when making queries about this report from the source laboratory, and for linking to the report outside FHIR context.

                                                          Alternate NamesReportID, Filler ID, Placer ID
                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                          20. DiagnosticReport.basedOn
                                                          Definition

                                                          Details concerning a service requested.

                                                          ShortWhat was requested
                                                          Comments

                                                          Note: Usually there is one test request for each result, however in some circumstances multiple test requests may be represented using a single test result resource. Note that there are also cases where one request leads to multiple reports.

                                                          Control0..*
                                                          TypeReference(CarePlan, ImmunizationRecommendation, MedicationRequest, NutritionOrder, ServiceRequest)
                                                          Is Modifierfalse
                                                          Summaryfalse
                                                          Requirements

                                                          This allows tracing of authorization for the report and tracking whether proposals/recommendations were acted upon.

                                                          Alternate NamesRequest
                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                          22. DiagnosticReport.status
                                                          Definition

                                                          The status of the diagnostic report.

                                                          Shortregistered | partial | preliminary | final +
                                                          Control1..1
                                                          BindingThe codes SHALL be taken from DiagnosticReportStatus
                                                          (required to http://hl7.org/fhir/ValueSet/diagnostic-report-status|4.0.1)

                                                          The status of the diagnostic report.

                                                          Typecode
                                                          Is Modifiertrue because This element is labeled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid
                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                          Must Supporttrue
                                                          Obligations
                                                            ObligationsActor
                                                            SHALL:able-to-populateNP Core Creator
                                                            SHALL:handleNP Core Consumer
                                                            SHALL:handleNP Core Server
                                                            Summarytrue
                                                            Requirements

                                                            Diagnostic services routinely issue provisional/incomplete reports, and sometimes withdraw previously released reports.

                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                            24. DiagnosticReport.category
                                                            Definition

                                                            A code that classifies the clinical discipline, department or diagnostic service that created the report (e.g. cardiology, biochemistry, hematology, MRI). This is used for searching, sorting and display purposes.

                                                            ShortService category
                                                            Comments

                                                            Multiple categories are allowed using various categorization schemes. The level of granularity is defined by the category concepts in the value set. More fine-grained filtering can be performed using the metadata and/or terminology hierarchy in DiagnosticReport.code.

                                                            Control1..*
                                                            BindingFor example codes, see DiagnosticServiceSectionCodes
                                                            (example to http://hl7.org/fhir/ValueSet/diagnostic-service-sections|4.0.1)

                                                            Codes for diagnostic service sections.

                                                            TypeCodeableConcept
                                                            Is Modifierfalse
                                                            Must Supporttrue
                                                            Obligations
                                                              ObligationsActor
                                                              SHALL:able-to-populateNP Core Creator
                                                              SHALL:handleNP Core Consumer
                                                              SHALL:handleNP Core Server
                                                              Summarytrue
                                                              Alternate NamesDepartment, Sub-department, Service, Discipline
                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                              SlicingThis element introduces a set of slices on DiagnosticReport.category. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                              • pattern @ $this
                                                              • Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them

                                                                26. DiagnosticReport.category:rad
                                                                Slice Namerad
                                                                Definition

                                                                A code that classifies the clinical discipline, department or diagnostic service that created the report (e.g. cardiology, biochemistry, hematology, MRI). This is used for searching, sorting and display purposes.

                                                                ShortService category
                                                                Comments

                                                                Multiple categories are allowed using various categorization schemes. The level of granularity is defined by the category concepts in the value set. More fine-grained filtering can be performed using the metadata and/or terminology hierarchy in DiagnosticReport.code.

                                                                Control1..1
                                                                BindingFor example codes, see DiagnosticServiceSectionCodes
                                                                (example to http://hl7.org/fhir/ValueSet/diagnostic-service-sections|4.0.1)

                                                                Codes for diagnostic service sections.

                                                                TypeCodeableConcept
                                                                Is Modifierfalse
                                                                Must Supporttrue
                                                                Summarytrue
                                                                Alternate NamesDepartment, Sub-department, Service, Discipline
                                                                Pattern Value{
                                                                  "coding" : [{
                                                                    "system" : "http://terminology.hl7.org/CodeSystem/v2-0074",
                                                                    "code" : "RAD",
                                                                    "display" : "Radiology"
                                                                  }]
                                                                }
                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                28. DiagnosticReport.code
                                                                Definition

                                                                A code or name that describes this diagnostic report.

                                                                ShortName/Code for this diagnostic report
                                                                Control1..1
                                                                BindingUnless not suitable, these codes SHALL be taken from LOINCDiagnosticReportCodes
                                                                (extensible to http://hl7.org/fhir/ValueSet/report-codes)
                                                                TypeCodeableConcept
                                                                Is Modifierfalse
                                                                Must Supporttrue
                                                                Obligations
                                                                  ObligationsActor
                                                                  SHALL:able-to-populateNP Core Creator
                                                                  SHALL:handleNP Core Consumer
                                                                  SHALL:handleNP Core Server
                                                                  Summarytrue
                                                                  Alternate NamesType
                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                  30. DiagnosticReport.subject
                                                                  Definition

                                                                  The subject of the report. Usually, but not always, this is a patient. However, diagnostic services also perform analyses on specimens collected from a variety of other sources.

                                                                  ShortThe subject of the report - usually, but not always, the patient
                                                                  Control1..1
                                                                  TypeReference(NP Core Patient)
                                                                  Is Modifierfalse
                                                                  Must Supporttrue
                                                                  Obligations
                                                                    ObligationsActor
                                                                    SHALL:able-to-populateNP Core Creator
                                                                    SHALL:handleNP Core Consumer
                                                                    SHALL:handleNP Core Server
                                                                    Summarytrue
                                                                    Requirements

                                                                    SHALL know the subject context.

                                                                    Alternate NamesPatient
                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                    32. DiagnosticReport.encounter
                                                                    Definition

                                                                    The healthcare event (e.g. a patient and healthcare provider interaction) which this DiagnosticReport is about.

                                                                    ShortHealth care event when test ordered
                                                                    Comments

                                                                    This will typically be the encounter the event occurred within, but some events may be initiated prior to or after the official completion of an encounter but still be tied to the context of the encounter (e.g. pre-admission laboratory tests).

                                                                    Control1..1
                                                                    TypeReference(NP Core Encounter)
                                                                    Is Modifierfalse
                                                                    Must Supporttrue
                                                                    Obligations
                                                                      ObligationsActor
                                                                      SHALL:able-to-populateNP Core Creator
                                                                      SHALL:handleNP Core Consumer
                                                                      SHALL:handleNP Core Server
                                                                      Summarytrue
                                                                      Requirements

                                                                      Links the request to the Encounter context.

                                                                      Alternate NamesContext
                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                      34. DiagnosticReport.effective[x]
                                                                      Definition

                                                                      The time or time-period the observed values are related to. When the subject of the report is a patient, this is usually either the time of the procedure or of specimen collection(s), but very often the source of the date/time is not known, only the date/time itself.

                                                                      ShortClinically relevant time/time-period for report
                                                                      Comments

                                                                      If the diagnostic procedure was performed on the patient, this is the time it was performed. If there are specimens, the diagnostically relevant time can be derived from the specimen collection times, but the specimen information is not always available, and the exact relationship between the specimens and the diagnostically relevant time is not always automatic.

                                                                      Control0..1
                                                                      TypeChoice of: dateTime, Period
                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                      Is Modifierfalse
                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                      Summarytrue
                                                                      Requirements

                                                                      Need to know where in the patient history to file/present this report.

                                                                      Alternate NamesObservation time, Effective Time, Occurrence
                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                      36. DiagnosticReport.issued
                                                                      Definition

                                                                      The date and time that this version of the report was made available to providers, typically after the report was reviewed and verified.

                                                                      ShortDateTime this version was made
                                                                      Comments

                                                                      May be different from the update time of the resource itself, because that is the status of the record (potentially a secondary copy), not the actual release time of the report.

                                                                      Control1..1
                                                                      Typeinstant
                                                                      Is Modifierfalse
                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                      Must Supporttrue
                                                                      Obligations
                                                                        ObligationsActor
                                                                        SHALL:able-to-populateNP Core Creator
                                                                        SHALL:handleNP Core Consumer
                                                                        SHALL:handleNP Core Server
                                                                        Summarytrue
                                                                        Requirements

                                                                        Clinicians need to be able to check the date that the report was released.

                                                                        Alternate NamesDate published, Date Issued, Date Verified
                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                        38. DiagnosticReport.performer
                                                                        Definition

                                                                        The diagnostic service that is responsible for issuing the report.

                                                                        ShortResponsible Diagnostic Service
                                                                        Comments

                                                                        This is not necessarily the source of the atomic data items or the entity that interpreted the results. It is the entity that takes responsibility for the clinical report.

                                                                        Control1..*
                                                                        TypeReference(NP Core Practitioner, NP Core PractitionerRole, NP Core Organization, CareTeam)
                                                                        Is Modifierfalse
                                                                        Must Supporttrue
                                                                        Must Support TypesNo must-support rules about the choice of types/profiles
                                                                        Obligations
                                                                          ObligationsActor
                                                                          SHALL:able-to-populateNP Core Creator
                                                                          SHALL:handleNP Core Consumer
                                                                          SHALL:handleNP Core Server
                                                                          Summarytrue
                                                                          Requirements

                                                                          Need to know whom to contact if there are queries about the results. Also may need to track the source of reports for secondary data analysis.

                                                                          Alternate NamesLaboratory, Service, Practitioner, Department, Company, Authorized by, Director
                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                          40. DiagnosticReport.resultsInterpreter
                                                                          Definition

                                                                          The practitioner or organization that is responsible for the report's conclusions and interpretations.

                                                                          ShortPrimary result interpreter
                                                                          Comments

                                                                          Might not be the same entity that takes responsibility for the clinical report.

                                                                          Control0..*
                                                                          TypeReference(NP Core Practitioner, NP Core PractitionerRole, NP Core Organization, CareTeam)
                                                                          Is Modifierfalse
                                                                          Must Supporttrue
                                                                          Must Support TypesNo must-support rules about the choice of types/profiles
                                                                          Obligations
                                                                            ObligationsActor
                                                                            SHOULD:able-to-populateNP Core Creator
                                                                            SHALL:handleNP Core Consumer
                                                                            SHALL:handleNP Core Server
                                                                            Summarytrue
                                                                            Requirements

                                                                            Need to know whom to contact if there are queries about the results. Also may need to track the source of reports for secondary data analysis.

                                                                            Alternate NamesAnalyzed by, Reported by
                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                            42. DiagnosticReport.specimen
                                                                            Definition

                                                                            Details about the specimens on which this diagnostic report is based.

                                                                            ShortSpecimens this report is based on
                                                                            Comments

                                                                            If the specimen is sufficiently specified with a code in the test result name, then this additional data may be redundant. If there are multiple specimens, these may be represented per observation or group.

                                                                            Control0..*
                                                                            TypeReference(Specimen)
                                                                            Is Modifierfalse
                                                                            Summaryfalse
                                                                            Requirements

                                                                            Need to be able to report information about the collected specimens on which the report is based.

                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                            44. DiagnosticReport.result
                                                                            Definition

                                                                            Observations that are part of this diagnostic report.

                                                                            ShortObservations
                                                                            Comments

                                                                            Observations can contain observations.

                                                                            Control0..*
                                                                            TypeReference(NP Core Observation)
                                                                            Is Modifierfalse
                                                                            Must Supporttrue
                                                                            Obligations
                                                                              ObligationsActor
                                                                              SHALL:populate-if-knownNP Core Creator
                                                                              SHALL:handleNP Core Consumer
                                                                              SHALL:handleNP Core Server
                                                                              Summaryfalse
                                                                              Requirements

                                                                              Need to support individual results, or groups of results, where the result grouping is arbitrary, but meaningful.

                                                                              Alternate NamesData, Atomic Value, Result, Atomic result, Data, Test, Analyte, Battery, Organizer
                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                              46. DiagnosticReport.imagingStudy
                                                                              Definition

                                                                              One or more links to full details of any imaging performed during the diagnostic investigation. Typically, this is imaging performed by DICOM enabled modalities, but this is not required. A fully enabled PACS viewer can use this information to provide views of the source images.

                                                                              ShortReference to full details of imaging associated with the diagnostic report
                                                                              Comments

                                                                              ImagingStudy and the image element are somewhat overlapping - typically, the list of image references in the image element will also be found in one of the imaging study resources. However, each caters to different types of displays for different types of purposes. Neither, either, or both may be provided.

                                                                              Control0..*
                                                                              TypeReference(ImagingStudy)
                                                                              Is Modifierfalse
                                                                              Must Supporttrue
                                                                              Obligations
                                                                                ObligationsActor
                                                                                SHALL:populate-if-knownNP Core Creator
                                                                                SHALL:handleNP Core Consumer
                                                                                SHALL:handleNP Core Server
                                                                                Summaryfalse
                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                48. DiagnosticReport.media
                                                                                Definition

                                                                                A list of key images associated with this report. The images are generally created during the diagnostic process, and may be directly of the patient, or of treated specimens (i.e. slides of interest).

                                                                                ShortKey images associated with this report
                                                                                Control0..*
                                                                                TypeBackboneElement
                                                                                Is Modifierfalse
                                                                                Summarytrue
                                                                                Requirements

                                                                                Many diagnostic services include images in the report as part of their service.

                                                                                Alternate NamesDICOM, Slides, Scans
                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                50. DiagnosticReport.media.id
                                                                                Definition

                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                ShortUnique id for inter-element referencing
                                                                                Control0..1
                                                                                Typestring
                                                                                Is Modifierfalse
                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                Summaryfalse
                                                                                52. DiagnosticReport.media.extension
                                                                                Definition

                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                ShortAdditional content defined by implementations
                                                                                Comments

                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                Control0..*
                                                                                TypeExtension
                                                                                Is Modifierfalse
                                                                                Summaryfalse
                                                                                Alternate Namesextensions, user content
                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                54. DiagnosticReport.media.modifierExtension
                                                                                Definition

                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                Comments

                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                Control0..*
                                                                                TypeExtension
                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                Summarytrue
                                                                                Requirements

                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                Alternate Namesextensions, user content, modifiers
                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                56. DiagnosticReport.media.comment
                                                                                Definition

                                                                                A comment about the image. Typically, this is used to provide an explanation for why the image is included, or to draw the viewer's attention to important features.

                                                                                ShortComment about the image (e.g. explanation)
                                                                                Comments

                                                                                The comment should be displayed with the image. It would be common for the report to include additional discussion of the image contents in other sections such as the conclusion.

                                                                                Control0..1
                                                                                Typestring
                                                                                Is Modifierfalse
                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                Summaryfalse
                                                                                Requirements

                                                                                The provider of the report should make a comment about each image included in the report.

                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                58. DiagnosticReport.media.link
                                                                                Definition

                                                                                Reference to the image source.

                                                                                ShortReference to the image source
                                                                                Control1..1
                                                                                TypeReference(Media)
                                                                                Is Modifierfalse
                                                                                Summarytrue
                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                60. DiagnosticReport.conclusion
                                                                                Definition

                                                                                Concise and clinically contextualized summary conclusion (interpretation/impression) of the diagnostic report.

                                                                                ShortClinical conclusion (interpretation) of test results
                                                                                Control0..1
                                                                                Typestring
                                                                                Is Modifierfalse
                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                Must Supporttrue
                                                                                Obligations
                                                                                  ObligationsActor
                                                                                  SHOULD:able-to-populateNP Core Creator
                                                                                  SHALL:handleNP Core Consumer
                                                                                  SHALL:handleNP Core Server
                                                                                  Summaryfalse
                                                                                  Requirements

                                                                                  Need to be able to provide a conclusion that is not lost among the basic result data.

                                                                                  Alternate NamesReport
                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                  62. DiagnosticReport.conclusionCode
                                                                                  Definition

                                                                                  One or more codes that represent the summary conclusion (interpretation/impression) of the diagnostic report.

                                                                                  ShortCodes for the clinical conclusion of test results
                                                                                  Control0..*
                                                                                  BindingFor example codes, see SNOMEDCTClinicalFindings
                                                                                  (example to http://hl7.org/fhir/ValueSet/clinical-findings|4.0.1)

                                                                                  Diagnosis codes provided as adjuncts to the report.

                                                                                  TypeCodeableConcept
                                                                                  Is Modifierfalse
                                                                                  Must Supporttrue
                                                                                  Obligations
                                                                                    ObligationsActor
                                                                                    MAY:able-to-populateNP Core Creator
                                                                                    SHALL:handleNP Core Consumer
                                                                                    SHALL:handleNP Core Server
                                                                                    Summaryfalse
                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                    64. DiagnosticReport.presentedForm
                                                                                    Definition

                                                                                    Rich text representation of the entire result as issued by the diagnostic service. Multiple formats are allowed but they SHALL be semantically equivalent.

                                                                                    ShortEntire report as issued
                                                                                    Comments

                                                                                    "application/pdf" is recommended as the most reliable and interoperable in this context.

                                                                                    Control0..*
                                                                                    TypeAttachment
                                                                                    Is Modifierfalse
                                                                                    Must Supporttrue
                                                                                    Obligations
                                                                                      ObligationsActor
                                                                                      SHALL:populate-if-knownNP Core Creator
                                                                                      SHALL:handleNP Core Consumer
                                                                                      SHALL:handleNP Core Server
                                                                                      Summaryfalse
                                                                                      Requirements

                                                                                      Gives laboratory the ability to provide its own fully formatted report for clinical fidelity.

                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))