{
  "resourceType": "StructureDefinition",
  "url": "http://ehealth.bc.ca/fhir/StructureDefinition/bc-bcyimmunizationdistribution/immz-antigen",
  "name": "ImmzAntigenExtension",
  "status": "draft",
  "fhirVersion": "4.0.1",
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "Immunization"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "comment": "To apply for antigens information"
      },
      {
        "id": "Extension.id",
        "path": "Extension.id",
        "max": "0"
      },
      {
        "id": "Extension.extension:antigenCode",
        "path": "Extension.extension",
        "sliceName": "antigenCode",
        "short": "Imms Antigen",
        "definition": "Imms Antigen"
      },
      {
        "id": "Extension.extension:antigenCode.id",
        "path": "Extension.extension.id",
        "max": "0"
      },
      {
        "id": "Extension.extension:antigenCode.url",
        "path": "Extension.extension.url",
        "fixedUri": "antigenCode"
      },
      {
        "id": "Extension.extension:antigenCode.value[x]",
        "path": "Extension.extension.value[x]",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Extension.extension:antigenCode.value[x].id",
        "path": "Extension.extension.value[x].id",
        "max": "0"
      },
      {
        "id": "Extension.extension:antigenCode.value[x].coding.id",
        "path": "Extension.extension.value[x].coding.id",
        "max": "0"
      },
      {
        "id": "Extension.extension:antigenCode.value[x].coding.system",
        "path": "Extension.extension.value[x].coding.system",
        "comment": "See Mappings",
        "min": 1,
        "mapping": [
          {
            "identity": "code-NVC",
            "map": "https://nvc-cnv.canada.ca"
          },
          {
            "identity": "code-SNOMED",
            "map": "http://snomed.info/sct"
          }
        ]
      },
      {
        "id": "Extension.extension:antigenCode.value[x].coding.version",
        "path": "Extension.extension.value[x].coding.version",
        "max": "0"
      },
      {
        "id": "Extension.extension:antigenCode.value[x].coding.code",
        "path": "Extension.extension.value[x].coding.code",
        "min": 1
      },
      {
        "id": "Extension.extension:antigenCode.value[x].coding.display",
        "path": "Extension.extension.value[x].coding.display",
        "min": 1
      },
      {
        "id": "Extension.extension:antigenCode.value[x].coding.userSelected",
        "path": "Extension.extension.value[x].coding.userSelected",
        "max": "0"
      },
      {
        "id": "Extension.extension:antigenCode.value[x].text",
        "path": "Extension.extension.value[x].text",
        "comment": "See Mappings",
        "mapping": [
          {
            "identity": "source-PIR",
            "map": "immunizationAntigenCombinedDescription"
          }
        ]
      },
      {
        "id": "Extension.extension:antigenDoseNum",
        "path": "Extension.extension",
        "sliceName": "antigenDoseNum",
        "short": "Imms Antigen Dose Number",
        "definition": "Imms Antigen Dose Number"
      },
      {
        "id": "Extension.extension:antigenDoseNum.id",
        "path": "Extension.extension.id",
        "max": "0"
      },
      {
        "id": "Extension.extension:antigenDoseNum.url",
        "path": "Extension.extension.url",
        "fixedUri": "antigenDoseNum"
      },
      {
        "id": "Extension.extension:antigenDoseNum.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:antigenDoseStatus",
        "path": "Extension.extension",
        "sliceName": "antigenDoseStatus",
        "short": "Imms Antigen Dose Status",
        "definition": "Imms Antigen Dose Status"
      },
      {
        "id": "Extension.extension:antigenDoseStatus.id",
        "path": "Extension.extension.id",
        "max": "0"
      },
      {
        "id": "Extension.extension:antigenDoseStatus.url",
        "path": "Extension.extension.url",
        "fixedUri": "antigenDoseStatus"
      },
      {
        "id": "Extension.extension:antigenDoseStatus.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "http://ehealth.bc.ca/fhir/StructureDefinition/bc-bcyimmunizationdistribution/immz-antigen"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "max": "0"
      }
    ]
  }
}