<StructureDefinition xmlns="http://hl7.org/fhir">
  <meta>
    <source value="https://fhir.cambio.se/StructureDefinition/ObservationHeadCircumferenceCore/v1" />
  </meta>
  <url value="https://fhir.cambio.se/StructureDefinition/ObservationHeadCircumferenceCore/v1" />
  <version value="v1" />
  <name value="ObservationHeadCircumferenceCore" />
  <title value="ObservationHeadCircumferenceCore" />
  <status value="active" />
  <description value="Cambio Core profile for communicating the Head Circumference. For Use case specific profiles, this profile can be derived for the use case profile to be complient with the Cambio core profile." />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/headcircum" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.code.coding:headCircumSct">
      <path value="Observation.code.coding" />
      <sliceName value="headCircumSct" />
      <max value="1" />
    </element>
    <element id="Observation.subject.identifier">
      <path value="Observation.subject.identifier" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="system" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Observation.subject.identifier:personnummer">
      <path value="Observation.subject.identifier" />
      <sliceName value="personnummer" />
    </element>
    <element id="Observation.subject.identifier:personnummer.system">
      <path value="Observation.subject.identifier.system" />
      <min value="1" />
      <fixedUri value="urn:oid:1.2.752.129.2.1.3.1" />
    </element>
    <element id="Observation.subject.identifier:personnummer.value">
      <path value="Observation.subject.identifier.value" />
      <min value="1" />
    </element>
    <element id="Observation.subject.identifier:samordningsnummer">
      <path value="Observation.subject.identifier" />
      <sliceName value="samordningsnummer" />
    </element>
    <element id="Observation.subject.identifier:samordningsnummer.system">
      <path value="Observation.subject.identifier.system" />
      <min value="1" />
      <fixedUri value="urn:oid:1.2.752.129.2.1.3.3" />
    </element>
    <element id="Observation.subject.identifier:samordningsnummer.value">
      <path value="Observation.subject.identifier.value" />
      <min value="1" />
    </element>
    <element id="Observation.performer">
      <path value="Observation.performer" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="type" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
      <max value="2" />
      <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/Patient" />
      </type>
    </element>
    <element id="Observation.performer:practitioner">
      <path value="Observation.performer" />
      <sliceName value="practitioner" />
    </element>
    <element id="Observation.performer:practitioner.identifier.system">
      <path value="Observation.performer.identifier.system" />
      <short value="Oid of the HSA catalogue" />
      <fixedUri value="urn:oid:1.2.752.129.2.1.4.1" />
    </element>
    <element id="Observation.performer:practitioner.identifier.value">
      <path value="Observation.performer.identifier.value" />
      <short value="The HSA ID of the staff" />
    </element>
    <element id="Observation.performer:practitionerRole">
      <path value="Observation.performer" />
      <sliceName value="practitionerRole" />
    </element>
    <element id="Observation.performer:practitionerRole.identifier.system">
      <path value="Observation.performer.identifier.system" />
      <short value="Oid of the HSA catalogue" />
    </element>
    <element id="Observation.performer:organization">
      <path value="Observation.performer" />
      <sliceName value="organization" />
    </element>
    <element id="Observation.performer:organization.identifier.system">
      <path value="Observation.performer.identifier.system" />
      <short value="Oid of the HSA catalogue" />
      <fixedUri value="urn:oid:1.2.752.129.2.1.4.1" />
    </element>
    <element id="Observation.performer:organization.identifier.value">
      <path value="Observation.performer.identifier.value" />
      <short value="The HSA ID of the unit" />
    </element>
    <element id="Observation.performer:patient">
      <path value="Observation.performer" />
      <sliceName value="patient" />
    </element>
  </differential>
</StructureDefinition>