<StructureDefinition xmlns="http://hl7.org/fhir">
  <meta>
    <lastUpdated value="2020-11-03T11:12:17.664+00:00" />
  </meta>
  <url value="https://fhir.cambio.se/StructureDefinition/ObservationGaDaysCore/v1" />
  <name value="ObservationGaDaysCore" />
  <title value="ObservationGaDaysCore" />
  <status value="draft" />
  <description value="Cambio Core profile for communicating the GA Days. For Use case specific profiles, this profile can be derived for the use case profile to be complient with the Cambio core profile." />
  <purpose value="estimated fetus gestational age at delivery measured in days &#xD;&#xA;&#xD;&#xA;to know if the baby is born early, born premature or born late. In COSMIC context to register the gestational age (GA) , two keywords are used. Those are GA weeks and GA days. If the gestational age is 10 weeks and 4 days, then it would be recorded as GA weeks:  10 weeks     GA days: 4 days." />
  <fhirVersion value="4.0.0" />
  <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" />
  <snapshot />
  <differential>
    <element id="Observation.status">
      <path value="Observation.status" />
      <short value="registered | final" />
    </element>
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      <path value="Observation.code.coding" />
      <min value="1" />
      <max value="1" />
    </element>
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      <fixedUri value="http://snomed.info/sct" />
    </element>
    <element id="Observation.code.coding.code">
      <path value="Observation.code.coding.code" />
      <min value="1" />
      <fixedCode value="412726003" />
    </element>
    <element id="Observation.focus">
      <path value="Observation.focus" />
      <max value="0" />
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    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Observation.value[x].value">
      <path value="Observation.value[x].value" />
      <min value="1" />
    </element>
    <element id="Observation.value[x].unit">
      <path value="Observation.value[x].unit" />
      <min value="1" />
      <fixedString value="Day" />
    </element>
    <element id="Observation.value[x].system">
      <path value="Observation.value[x].system" />
      <min value="1" />
      <fixedUri value="http://unitsofmeasure.org" />
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      <path value="Observation.value[x].code" />
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      <fixedCode value="d" />
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    <element id="Observation.derivedFrom">
      <path value="Observation.derivedFrom" />
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      <path value="Observation.component" />
      <max value="0" />
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</StructureDefinition>