{
  "description": null,
  "_filename": "Extension-DataStandardsWales-DocumentVersion.json",
  "package_name": "fhir.r4.wales",
  "date": "2025-09-23",
  "derivation": "constraint",
  "publisher": "NHS Wales",
  "fhirVersion": "4.0.1",
  "name": "ExtensionDataStandardsWalesDocumentVersion",
  "abstract": false,
  "copyright": "2025 NHS Wales",
  "type": "Extension",
  "experimental": "true",
  "resourceType": "StructureDefinition",
  "title": "Extension Data Standards Wales Document Version",
  "package_version": "2.4.0",
  "status": "draft",
  "id": "d539547a-440f-4bd4-a687-a64b8e55ef0c",
  "kind": "complex-type",
  "url": "http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.version",
  "context": [ {
    "type": "element",
    "expression": "DocumentReference"
  } ],
  "version": "0.0.1",
  "differential": {
    "element": [ {
      "id": "Extension",
      "path": "Extension",
      "short": "An explicitly assigned identifer of a variation of the content in the DocumentReference.",
      "definition": "This is a business version identifier, not a resource version id.  It can be used to store the SetSequenceNumber of a document from the Welsh Care Records Service. (Backport from FHIR R5.)"
    }, {
      "id": "Extension.extension",
      "max": "0",
      "path": "Extension.extension"
    }, {
      "id": "Extension.url",
      "path": "Extension.url",
      "fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.version"
    }, {
      "id": "Extension.value[x]",
      "path": "Extension.value[x]",
      "type": [ {
        "code": "string"
      } ]
    } ]
  },
  "contact": [ {
    "name": "FHIR Standards",
    "telecom": [ {
      "use": "work",
      "rank": 1,
      "value": "fhir.standards@wales.nhs.uk",
      "system": "email"
    } ]
  } ],
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}