<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ext-PharmaceuticalTreatment.Identifier" />
  <url value="http://nictiz.nl/fhir/StructureDefinition/ext-PharmaceuticalTreatment.Identifier" />
  <version value="2.0.0-rc.7" />
  <name value="ExtPharmaceuticalTreatmentIdentifier" />
  <title value="ext PharmaceuticalTreatment.Identifier" />
  <status value="active" />
  <publisher value="Nictiz" />
  <contact>
    <name value="Nictiz" />
    <telecom>
      <system value="url" />
      <value value="https://www.nictiz.nl" />
      <use value="work" />
    </telecom>
  </contact>
  <description value="This extension provides an identifier to unambiguously identify the set of interdependent medication building blocks that belong to one pharmaceutical treatment." />
  <copyright value="Copyright and related rights waived via CC0, https://creativecommons.org/publicdomain/zero/1.0/. This does not apply to information from third parties, for example a medical terminology system. The implementer alone is responsible for identifying and obtaining any necessary licenses or authorizations to utilize third party IP in connection with the specification or otherwise." />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="MedicationStatement" />
  </context>
  <context>
    <type value="element" />
    <expression value="MedicationAdministration" />
  </context>
  <context>
    <type value="element" />
    <expression value="MedicationDispense" />
  </context>
  <context>
    <type value="element" />
    <expression value="MedicationRequest" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <max value="1" />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="http://nictiz.nl/fhir/StructureDefinition/ext-PharmaceuticalTreatment.Identifier" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <short value="Pharmaceutical Treatment Identifier" />
      <definition value="The identifier of the pharmaceutical treatment that this resource belongs to. This identifier is used to group the disparate resources that belong to a single pharmaceutical treatment." />
      <alias value="Medicamenteuze behandeling identificatie" />
      <type>
        <code value="Identifier" />
      </type>
    </element>
    <element id="Extension.value[x].system">
      <path value="Extension.value[x].system" />
      <min value="1" />
    </element>
    <element id="Extension.value[x].value">
      <path value="Extension.value[x].value" />
      <min value="1" />
    </element>
  </differential>
</StructureDefinition>