<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="5e8cce6f-9b95-442d-9782-e80821f5aae6" />
  <meta>
    <lastUpdated value="2017-10-10T15:00:33.916+02:00" />
  </meta>
  <url value="http://AAUprofiles/StructureDefinition/DAS28Observation" />
  <name value="DAS28Observation" />
  <status value="draft" />
  <experimental value="true" />
  <date value="2017-10-10" />
  <fhirVersion value="3.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.code.coding.system">
      <path value="Observation.code.coding.system" />
      <fixedUri value="http://snomed.info/sct" />
    </element>
    <element id="Observation.code.coding.code">
      <path value="Observation.code.coding.code" />
      <fixedCode value="444060007" />
    </element>
    <element id="Observation.code.coding.display">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Observation.code.coding.display" />
      <fixedString value="Disease activity score in rheumatoid arthritis using C-reactive protein (observable entity)" />
    </element>
    <element id="Observation.code.text">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Observation.code.text" />
      <short value="DAS28 Observable" />
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <short value="Observation of Danish patient" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://AAUprofiles/StructureDefinition/DanishPatient" />
        <aggregation value="referenced" />
      </type>
    </element>
    <element id="Observation.performer">
      <path value="Observation.performer" />
      <short value="The Danish patient is responsible for the observation" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://AAUprofiles/StructureDefinition/DanishPatient" />
        <aggregation value="referenced" />
      </type>
    </element>
    <element id="Observation.value[x]:valueQuantity">
      <path value="Observation.valueQuantity" />
      <sliceName value="valueQuantity" />
      <short value="CalculatedDAS28score" />
      <min value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="valueQuantity:valueQuantity.value">
      <path value="Observation.valueQuantity.value" />
      <min value="1" />
      <minValueDecimal value="0" />
      <maxValueDecimal value="10" />
    </element>
    <element id="Observation.bodySite">
      <path value="Observation.bodySite" />
      <max value="0" />
    </element>
    <element id="Observation.specimen">
      <path value="Observation.specimen" />
      <max value="0" />
    </element>
    <element id="Observation.device">
      <path value="Observation.device" />
      <max value="0" />
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="code.coding.code" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="4" />
      <max value="4" />
    </element>
    <element id="Observation.component:TenderJointsCount">
      <path value="Observation.component" />
      <sliceName value="TenderJointsCount" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Observation.component:TenderJointsCount.code.coding.system">
      <path value="Observation.component.code.coding.system" />
      <fixedUri value="http://snomed.info/sct" />
    </element>
    <element id="Observation.component:TenderJointsCount.code.coding.code">
      <path value="Observation.component.code.coding.code" />
      <fixedCode value="442736000" />
    </element>
    <element id="Observation.component:TenderJointsCount.code.coding.display">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Observation.component.code.coding.display" />
      <fixedString value="Tender 28 joint count" />
    </element>
    <element id="Observation.component:TenderJointsCount.value[x]:valueQuantity">
      <path value="Observation.component.valueQuantity" />
      <sliceName value="valueQuantity" />
      <min value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Observation.component:TenderJointsCount.value[x]:valueQuantity.value">
      <path value="Observation.component.valueQuantity.value" />
      <min value="1" />
    </element>
    <element id="Observation.component:SwollenJointsCount">
      <path value="Observation.component" />
      <sliceName value="SwollenJointsCount" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Observation.component:SwollenJointsCount.code.coding.system">
      <path value="Observation.component.code.coding.system" />
      <fixedUri value="http://snomed.info/sct" />
    </element>
    <element id="Observation.component:SwollenJointsCount.code.coding.code">
      <path value="Observation.component.code.coding.code" />
      <fixedCode value="442687006" />
    </element>
    <element id="Observation.component:SwollenJointsCount.code.coding.display">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Observation.component.code.coding.display" />
      <fixedString value="Swollen 28 joint count (observable entity)" />
    </element>
    <element id="Observation.component:SwollenJointsCount.value[x]:valueQuantity">
      <path value="Observation.component.valueQuantity" />
      <sliceName value="valueQuantity" />
      <min value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Observation.component:SwollenJointsCount.value[x]:valueQuantity.value">
      <path value="Observation.component.valueQuantity.value" />
      <min value="1" />
    </element>
    <element id="Observation.component:CRP">
      <path value="Observation.component" />
      <sliceName value="CRP" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Observation.component:CRP.code.coding.system">
      <path value="Observation.component.code.coding.system" />
      <fixedUri value="http://snomed.info/sct" />
    </element>
    <element id="Observation.component:CRP.code.coding.code">
      <path value="Observation.component.code.coding.code" />
      <fixedCode value="55235003" />
    </element>
    <element id="Observation.component:CRP.value[x]:valueQuantity">
      <path value="Observation.component.valueQuantity" />
      <sliceName value="valueQuantity" />
      <min value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Observation.component:CRP.value[x]:valueQuantity.value">
      <path value="Observation.component.valueQuantity.value" />
      <min value="1" />
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    <element id="valueQuantity:valueQuantity.unit">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Observation.component.valueQuantity.unit" />
      <fixedString value="mg/L" />
    </element>
    <element id="valueQuantity:valueQuantity.system">
      <path value="Observation.component.valueQuantity.system" />
      <fixedUri value="http://unitsofmeasssure.org" />
    </element>
    <element id="valueQuantity:valueQuantity.code">
      <path value="Observation.component.valueQuantity.code" />
      <fixedCode value="mg/L" />
    </element>
    <element id="Observation.component:GeneralHealth">
      <path value="Observation.component" />
      <sliceName value="GeneralHealth" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Observation.component:GeneralHealth.code.coding.system">
      <path value="Observation.component.code.coding.system" />
      <fixedUri value="http://snomed.info/sct" />
    </element>
    <element id="Observation.component:GeneralHealth.code.coding.code">
      <path value="Observation.component.code.coding.code" />
      <fixedCode value="446661009" />
    </element>
    <element id="Observation.component:GeneralHealth.code.coding.display">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Observation.component.code.coding.display" />
      <fixedString value="Visual analog scale score" />
    </element>
    <element id="Observation.component:GeneralHealth.value[x]:valueQuantity">
      <path value="Observation.component.valueQuantity" />
      <sliceName value="valueQuantity" />
      <min value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Observation.component:GeneralHealth.value[x]:valueQuantity.value">
      <path value="Observation.component.valueQuantity.value" />
      <min value="1" />
    </element>
  </differential>
</StructureDefinition>