<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://ehealth.bc.ca/fhir/StructureDefinition/bc-bcyimmunizationdistribution/immz-revise-dose" />
  <name value="ImmzReviseDoseExtension" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Immunization.protocolApplied.doseNumber[x]" />
  </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 when there is revised dose number in PIR." />
    </element>
    <element id="Extension.id">
      <path value="Extension.id" />
      <max value="0" />
    </element>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="0" />
    </element>
    <element id="Extension.extension:reviseDoseNum">
      <path value="Extension.extension" />
      <sliceName value="reviseDoseNum" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension:reviseDoseNum.id">
      <path value="Extension.extension.id" />
      <max value="0" />
    </element>
    <element id="Extension.extension:reviseDoseNum.url">
      <path value="Extension.extension.url" />
      <fixedUri value="reviseDoseNum" />
    </element>
    <element id="Extension.extension:reviseDoseNum.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="string" />
      </type>
    </element>
    <element id="Extension.extension:reviseDoseReason">
      <path value="Extension.extension" />
      <sliceName value="reviseDoseReason" />
      <min value="0" />
    </element>
    <element id="Extension.extension:reviseDoseReason.id">
      <path value="Extension.extension.id" />
      <max value="0" />
    </element>
    <element id="Extension.extension:reviseDoseReason.url">
      <path value="Extension.extension.url" />
      <fixedUri value="reviseDoseReason" />
    </element>
    <element id="Extension.extension:reviseDoseReason.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="string" />
      </type>
    </element>
    <element id="Extension.extension:reviseDoseComments">
      <path value="Extension.extension" />
      <sliceName value="reviseDoseComments" />
      <min value="0" />
    </element>
    <element id="Extension.extension:reviseDoseComments.id">
      <path value="Extension.extension.id" />
      <max value="0" />
    </element>
    <element id="Extension.extension:reviseDoseComments.url">
      <path value="Extension.extension.url" />
      <fixedUri value="reviseDoseComments" />
    </element>
    <element id="Extension.extension:reviseDoseComments.value[x]">
      <path value="Extension.extension.value[x]" />
      <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-revise-dose" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>