{ "resourceType" : "StructureDefinition", "id" : "np-core-bikram-sambat-date", "language" : "en", "text" : { "status" : "extensions", "div" : "

Generated Narrative: StructureDefinition np-core-bikram-sambat-date

\r\n\r\n\r\n\r\n
NameFlagsCard.TypeDescription & Constraints\"doco\"
\"\"\"\" Extension 0..*ExtensionBikram Sambat Date
\"\"\"\"\"\" Extension.extension 0..0Extension
\"\"\"\"\"\" Extension.url 1..1uri"http://fhir.digitalhealth.gov.np/core/StructureDefinition/np-core-bikram-sambat-date"
\"\"\"\"\"\" Extension.value[x] C1..1stringOriginal Bikram Sambat date as YYYY, YYYY-MM or YYYY-MM-DD
Constraints: np-bs-1

\"doco\" Documentation for this format
" }, "url" : "http://fhir.digitalhealth.gov.np/core/StructureDefinition/np-core-bikram-sambat-date", "version" : "1.0.0", "name" : "NPCoreBikramSambatDate", "title" : "Bikram Sambat Date", "status" : "active", "date" : "2026-10-14T11:17:36+00:00", "publisher" : "MoHFS Nepal", "contact" : [{ "name" : "MoHFS Nepal", "telecom" : [{ "system" : "url", "value" : "https://mohfs.gov.np" }] }], "description" : "Carries the original Bikram Sambat (BS) date captured by the source system, as a numeric string in YYYY, YYYY-MM or YYYY-MM-DD form. It may be used on any date or dateTime element; it is deliberately not available on instant, which records a machine timestamp rather than a calendar date a person entered. The Gregorian (AD) element this extension is attached to remains the value of record; this extension only preserves the original BS capture for display and audit. FHIR cannot validate agreement between the two calendars, so keeping the BS value consistent with the Gregorian value is the responsibility of the capturing system. Populate this extension only where a faithful Bikram Sambat capture exists; never derive it and never use it in place of the Gregorian value. The precision of the BS value SHOULD match the precision of the Gregorian element, since a year-only birth year is a common and legitimate capture for elderly patients. There is deliberately no separate Bikram Sambat dateTime form: Bikram Sambat is a calendar with no time component, so on elements that carry a dateTime this extension records only the BS calendar date and the time of day lives solely in the Gregorian value. Where the Gregorian value carries a time, the BS date SHALL correspond to the Asia/Kathmandu local date of that instant rather than its UTC date, because the two can fall on different days across midnight.", "jurisdiction" : [{ "coding" : [{ "system" : "urn:iso:std:iso:3166", "code" : "NP", "display" : "Nepal" }] }], "fhirVersion" : "4.0.1", "mapping" : [{ "identity" : "rim", "uri" : "http://hl7.org/v3", "name" : "RIM Mapping" }], "kind" : "complex-type", "abstract" : false, "context" : [{ "type" : "element", "expression" : "date" }, { "type" : "element", "expression" : "dateTime" }], "type" : "Extension", "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension", "derivation" : "constraint", "snapshot" : { "extension" : [{ "url" : "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version", "valueString" : "4.0.1" }], "element" : [{ "id" : "Extension", "path" : "Extension", "short" : "Bikram Sambat Date", "definition" : "Carries the original Bikram Sambat (BS) date captured by the source system, as a numeric string in YYYY, YYYY-MM or YYYY-MM-DD form. It may be used on any date or dateTime element; it is deliberately not available on instant, which records a machine timestamp rather than a calendar date a person entered. The Gregorian (AD) element this extension is attached to remains the value of record; this extension only preserves the original BS capture for display and audit. FHIR cannot validate agreement between the two calendars, so keeping the BS value consistent with the Gregorian value is the responsibility of the capturing system. Populate this extension only where a faithful Bikram Sambat capture exists; never derive it and never use it in place of the Gregorian value. The precision of the BS value SHOULD match the precision of the Gregorian element, since a year-only birth year is a common and legitimate capture for elderly patients. There is deliberately no separate Bikram Sambat dateTime form: Bikram Sambat is a calendar with no time component, so on elements that carry a dateTime this extension records only the BS calendar date and the time of day lives solely in the Gregorian value. Where the Gregorian value carries a time, the BS date SHALL correspond to the Asia/Kathmandu local date of that instant rather than its UTC date, because the two can fall on different days across midnight.", "min" : 0, "max" : "*", "base" : { "path" : "Extension", "min" : 0, "max" : "*" }, "condition" : ["ele-1"], "constraint" : [{ "key" : "ele-1", "severity" : "error", "human" : "All FHIR elements must have a @value or children", "expression" : "hasValue() or (children().count() > id.count())", "xpath" : "@value|f:*|h:div", "source" : "http://hl7.org/fhir/StructureDefinition/Element" }, { "key" : "ext-1", "severity" : "error", "human" : "Must have either extensions or value[x], not both", "expression" : "extension.exists() != value.exists()", "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])", "source" : "http://hl7.org/fhir/StructureDefinition/Extension" }], "isModifier" : false }, { "id" : "Extension.id", "path" : "Extension.id", "representation" : ["xmlAttr"], "short" : "Unique id for inter-element referencing", "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.", "min" : 0, "max" : "1", "base" : { "path" : "Element.id", "min" : 0, "max" : "1" }, "type" : [{ "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUrl" : "string" }], "code" : "http://hl7.org/fhirpath/System.String" }], "isModifier" : false, "isSummary" : false, "mapping" : [{ "identity" : "rim", "map" : "n/a" }] }, { "id" : "Extension.extension", "path" : "Extension.extension", "slicing" : { "discriminator" : [{ "type" : "value", "path" : "url" }], "description" : "Extensions are always sliced by (at least) url", "rules" : "open" }, "short" : "Extension", "definition" : "An Extension", "min" : 0, "max" : "0", "base" : { "path" : "Element.extension", "min" : 0, "max" : "*" }, "type" : [{ "code" : "Extension" }], "constraint" : [{ "key" : "ele-1", "severity" : "error", "human" : "All FHIR elements must have a @value or children", "expression" : "hasValue() or (children().count() > id.count())", "xpath" : "@value|f:*|h:div", "source" : "http://hl7.org/fhir/StructureDefinition/Element" }, { "key" : "ext-1", "severity" : "error", "human" : "Must have either extensions or value[x], not both", "expression" : "extension.exists() != value.exists()", "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])", "source" : "http://hl7.org/fhir/StructureDefinition/Extension" }], "isModifier" : false, "isSummary" : false }, { "id" : "Extension.url", "path" : "Extension.url", "representation" : ["xmlAttr"], "short" : "identifies the meaning of the extension", "definition" : "Source of the definition for the extension code - a logical name or a URL.", "comment" : "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.", "min" : 1, "max" : "1", "base" : { "path" : "Extension.url", "min" : 1, "max" : "1" }, "type" : [{ "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUrl" : "uri" }], "code" : "http://hl7.org/fhirpath/System.String" }], "fixedUri" : "http://fhir.digitalhealth.gov.np/core/StructureDefinition/np-core-bikram-sambat-date", "isModifier" : false, "isSummary" : false, "mapping" : [{ "identity" : "rim", "map" : "N/A" }] }, { "id" : "Extension.value[x]", "path" : "Extension.value[x]", "short" : "Original Bikram Sambat date as YYYY, YYYY-MM or YYYY-MM-DD", "definition" : "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).", "min" : 1, "max" : "1", "base" : { "path" : "Extension.value[x]", "min" : 0, "max" : "1" }, "type" : [{ "code" : "string" }], "constraint" : [{ "key" : "ele-1", "severity" : "error", "human" : "All FHIR elements must have a @value or children", "expression" : "hasValue() or (children().count() > id.count())", "xpath" : "@value|f:*|h:div", "source" : "http://hl7.org/fhir/StructureDefinition/Element" }, { "key" : "np-bs-1", "severity" : "error", "human" : "A Bikram Sambat date SHALL be a numeric string in YYYY, YYYY-MM or YYYY-MM-DD form. Days run to 32 because Bikram Sambat months vary between 29 and 32 days.", "expression" : "$this.matches('^[12][0-9]{3}(-(0[1-9]|1[0-2])(-(0[1-9]|[12][0-9]|3[0-2]))?)?$')", "source" : "http://fhir.digitalhealth.gov.np/core/StructureDefinition/np-core-bikram-sambat-date" }], "isModifier" : false, "isSummary" : false, "mapping" : [{ "identity" : "rim", "map" : "N/A" }] }] }, "differential" : { "element" : [{ "id" : "Extension", "path" : "Extension", "short" : "Bikram Sambat Date", "definition" : "Carries the original Bikram Sambat (BS) date captured by the source system, as a numeric string in YYYY, YYYY-MM or YYYY-MM-DD form. It may be used on any date or dateTime element; it is deliberately not available on instant, which records a machine timestamp rather than a calendar date a person entered. The Gregorian (AD) element this extension is attached to remains the value of record; this extension only preserves the original BS capture for display and audit. FHIR cannot validate agreement between the two calendars, so keeping the BS value consistent with the Gregorian value is the responsibility of the capturing system. Populate this extension only where a faithful Bikram Sambat capture exists; never derive it and never use it in place of the Gregorian value. The precision of the BS value SHOULD match the precision of the Gregorian element, since a year-only birth year is a common and legitimate capture for elderly patients. There is deliberately no separate Bikram Sambat dateTime form: Bikram Sambat is a calendar with no time component, so on elements that carry a dateTime this extension records only the BS calendar date and the time of day lives solely in the Gregorian value. Where the Gregorian value carries a time, the BS date SHALL correspond to the Asia/Kathmandu local date of that instant rather than its UTC date, because the two can fall on different days across midnight." }, { "id" : "Extension.extension", "path" : "Extension.extension", "max" : "0" }, { "id" : "Extension.url", "path" : "Extension.url", "fixedUri" : "http://fhir.digitalhealth.gov.np/core/StructureDefinition/np-core-bikram-sambat-date" }, { "id" : "Extension.value[x]", "path" : "Extension.value[x]", "short" : "Original Bikram Sambat date as YYYY, YYYY-MM or YYYY-MM-DD", "min" : 1, "type" : [{ "code" : "string" }], "constraint" : [{ "key" : "np-bs-1", "severity" : "error", "human" : "A Bikram Sambat date SHALL be a numeric string in YYYY, YYYY-MM or YYYY-MM-DD form. Days run to 32 because Bikram Sambat months vary between 29 and 32 days.", "expression" : "$this.matches('^[12][0-9]{3}(-(0[1-9]|1[0-2])(-(0[1-9]|[12][0-9]|3[0-2]))?)?$')", "source" : "http://fhir.digitalhealth.gov.np/core/StructureDefinition/np-core-bikram-sambat-date" }] }] } }