<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ie-core-observation-occupation" />
  <url value="https://hl7-ie.github.io/ie-core/fhir/ie/core/StructureDefinition/ie-core-observation-occupation" />
  <name value="IECoreObservationOccupation" />
  <title value="IE Core Observation Occupation" />
  <status value="draft" />
  <description value="Records a patient's occupation history in the Irish healthcare context." />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.status">
      <path value="Observation.status" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <patternCodeableConcept>
        <coding>
          <system value="http://loinc.org" />
          <code value="11341-5" />
          <display value="History of occupation" />
        </coding>
      </patternCodeableConcept>
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>