<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="BodySurfaceAreaFormulaBasedObservation" />
  <url value="http://ccare.org/StructureDefinition/BodySurfaceAreaFormulaBasedObservation" />
  <version value="0.1" />
  <name value="BodySurfaceAreaFormulaBasedObservation" />
  <title value="Body surface area formula based observation" />
  <date value="2023-07-01T16:11:27+01:00" />
  <description value="Observation of the body surface area by formula" />
  <fhirVersion value="4.0.1" />
  <mapping>
    <identity value="workflow" />
    <uri value="http://hl7.org/fhir/workflow" />
    <name value="Workflow Pattern" />
  </mapping>
  <mapping>
    <identity value="sct-concept" />
    <uri value="http://snomed.info/conceptdomain" />
    <name value="SNOMED CT Concept Domain Binding" />
  </mapping>
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2 Mapping" />
  </mapping>
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <mapping>
    <identity value="w5" />
    <uri value="http://hl7.org/fhir/fivews" />
    <name value="FiveWs Pattern Mapping" />
  </mapping>
  <mapping>
    <identity value="sct-attr" />
    <uri value="http://snomed.org/attributebinding" />
    <name value="SNOMED CT Attribute Binding" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.category">
      <path value="Observation.category" />
      <binding>
        <strength value="required" />
        <valueSet value="https://cardiocare.eu/fhir/ValueSet/OBSVS" />
      </binding>
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <patternCodeableConcept>
        <coding>
          <system value="http://loinc.org" />
          <code value="8278-4" />
          <display value="Formula used to compute body surface area" />
        </coding>
      </patternCodeableConcept>
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.effective[x]">
      <path value="Observation.effective[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="Observation.effective[x]:effectiveDateTime">
      <path value="Observation.effective[x]" />
      <sliceName value="effectiveDateTime" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="dateTime" />
      </type>
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>