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