{
  "resourceType": "StructureDefinition",
  "id": "patient-extension",
  "url": "http://example.org/fhir/StructureDefinition/patient-extension",
  "name": "Patientextension",
  "title": "Patient (extension)",
  "status": "draft",
  "experimental": true,
  "description": "This profile illustrates the use of extensions within a given FHIR resource, as seen with the patient profile here.",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Patient",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Patient",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Patient.extension:individual-recordedSexOrGender",
        "path": "Patient.extension",
        "sliceName": "individual-recordedSexOrGender",
        "short": "Extension for representing an individuals recorded sex or gender.",
        "definition": "Recorded sex or gender (RSG) information includes the various sex and gender concepts that are often used in existing systems but are known NOT to represent a gender identity, sex parameter for clinical use, or attributes related to sexuality, such as sexual orientation, sexual activity, or sexual attraction. Examples of recorded sex or gender concepts include administrative gender, administrative sex, and sex assigned at birth. When exchanging this concept, refer to the guidance in the Gender Harmony Implementation Guide",
        "type": [
          {
            "code": "Extension",
            "profile": [
              "http://hl7.org/fhir/StructureDefinition/individual-recordedSexOrGender"
            ]
          }
        ]
      },
      {
        "id": "Patient.identifier",
        "path": "Patient.identifier",
        "slicing": {
          "discriminator": [
            {
              "type": "pattern",
              "path": "type"
            }
          ],
          "rules": "open"
        },
        "mustSupport": true
      },
      {
        "id": "Patient.identifier.system",
        "path": "Patient.identifier.system",
        "min": 1
      },
      {
        "id": "Patient.identifier.value",
        "path": "Patient.identifier.value",
        "short": "The value that is unique within the system.",
        "min": 1
      },
      {
        "id": "Patient.identifier:JHN",
        "path": "Patient.identifier",
        "sliceName": "JHN",
        "short": "Jurisdictional Health Number",
        "definition": "Federal patient and person health numbers used by all jurisdictions across Canada"
      },
      {
        "id": "Patient.identifier:JHN.extension",
        "path": "Patient.identifier.extension"
      },
      {
        "id": "Patient.identifier:JHN.extension:versionCode",
        "path": "Patient.identifier.extension",
        "sliceName": "versionCode",
        "short": "Health Number Version Code",
        "type": [
          {
            "code": "Extension",
            "profile": [
              "http://hl7.org/fhir/ca/baseline/StructureDefinition/ext-identifierversion"
            ]
          }
        ]
      }
    ]
  }
}