<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="zd-observation" />
  <url value="http://zorgdomein.nl/fhir/StructureDefinition/zd-observation" />
  <name value="ZD Observation" />
  <status value="draft" />
  <date value="2017-03-01T12:00:00+01:00" />
  <publisher value="ZorgDomein" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="https://zorgdomein.nl" />
    </telecom>
    <telecom>
      <system value="email" />
      <value value="io@zorgdomein.nl" />
    </telecom>
  </contact>
  <fhirVersion value="3.0.2" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation">
      <path value="Observation" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding">
      <path value="Observation.code.coding" />
      <short value="Observation code defined by a terminology system" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding.system">
      <path value="Observation.code.coding.system" />
      <min value="1" />
    </element>
    <element id="Observation.code.text">
      <path value="Observation.code.text" />
      <short value="Plain text representation of the observation code" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://zorgdomein.nl/fhir/StructureDefinition/zd-patient" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.context">
      <path value="Observation.context" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://zorgdomein.nl/fhir/StructureDefinition/zd-encounter" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.effective[x]">
      <path value="Observation.effective[x]" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.issued">
      <path value="Observation.issued" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.performer">
      <path value="Observation.performer" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://zorgdomein.nl/fhir/StructureDefinition/zd-practitioner" />
      </type>
      <type>
        <code value="Reference" />
        <targetProfile value="http://zorgdomein.nl/fhir/StructureDefinition/zd-organization" />
      </type>
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <short value="Actual result. Either Observation.value[x] or Observation.component.value[x] must be provided." />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <short value="Component results. Either Observation.value[x] or Observation.component.value[x] must be provided." />
    </element>
  </differential>
</StructureDefinition>