<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="73c4b7b5-3bfd-47af-9b61-4cd3a2b62623" />
  <meta>
    <lastUpdated value="2022-10-19T16:56:43.2249319+00:00" />
  </meta>
  <url value="http://ehealthontario.ca/fhir/StructureDefinition/ca-on-lab-ext-poc-test-id" />
  <name value="PointOfCareTestID" />
  <status value="active" />
  <date value="2022-10-19T20:54:03.0556581+00:00" />
  <description value="The reporting laboratory may amend the value in this field regardless of whether a result has been recorded for the test request." />
  <purpose value="To identify a point-of-care test" />
  <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" />
      <max value="1" />
      <isModifier value="false" />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="http://ehealthontario.ca/fhir/StructureDefinition/ca-on-lab-ext-poc-test-id" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <type>
        <code value="string" />
      </type>
      <fixedString value="PORT" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>