<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="referral-priority" />
  <url value="http://hl7.org.nz/fhir/StructureDefinition/referral-priority" />
  <name value="ReferralPriority" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="ServiceRequest" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="Priority Extension" />
      <definition value="Extend the priority element to contain multiple priority data from referrer, triage service, etc." />
    </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:Priority">
      <path value="Extension.extension" />
      <sliceName value="Priority" />
      <label value="Priority" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension:Priority.url">
      <path value="Extension.extension.url" />
      <fixedUri value="Priority" />
    </element>
    <element id="Extension.extension:Priority.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="CodeableConcept" />
      </type>
    </element>
    <element id="Extension.extension:PrioritizedOn">
      <path value="Extension.extension" />
      <sliceName value="PrioritizedOn" />
      <label value="Prioritization Date" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension:PrioritizedOn.url">
      <path value="Extension.extension.url" />
      <fixedUri value="PrioritizedOn" />
    </element>
    <element id="Extension.extension:PrioritizedOn.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="dateTime" />
      </type>
    </element>
    <element id="Extension.extension:Performer">
      <path value="Extension.extension" />
      <sliceName value="Performer" />
      <label value="Triage Organisation" />
      <min value="0" />
    </element>
    <element id="Extension.extension:Performer.url">
      <path value="Extension.extension.url" />
      <fixedUri value="Performer" />
    </element>
    <element id="Extension.extension:Performer.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="code" />
      </type>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="http://hl7.org.nz/fhir/StructureDefinition/referral-priority" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>