<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://luxith-etab.org/fhir/StructureDefinition/lu/LabToLab/ObservationProfile" />
  <name value="ObservationProfile" />
  <status value="draft" />
  <fhirVersion value="5.0.0" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.extension">
      <path value="Observation.extension" />
      <max value="1" />
    </element>
    <element id="Observation.identifier">
      <path value="Observation.identifier" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Observation.performer">
      <path value="Observation.performer" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/PractitionerRole" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/CareTeam" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson" />
        <targetProfile value="https://luxith-etab.org/fhir/StructureDefinition/lu/LabToLab/OrganizationProfile" />
      </type>
    </element>
    <element id="Observation.interpretation">
      <path value="Observation.interpretation" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Observation.specimen">
      <path value="Observation.specimen" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://luxith-etab.org/fhir/StructureDefinition/lu/LabToLab/SpecimenProfile" />
      </type>
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Observation.component.value[x]">
      <path value="Observation.component.value[x]" />
      <min value="1" />
    </element>
  </differential>
</StructureDefinition>