<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="sfm-Observation" />
  <meta>
    <versionId value="5" />
    <lastUpdated value="2018-10-03T16:33:40.291+00:00" />
  </meta>
  <url value="http://ehelse.no/fhir/StructureDefinition/sfm-Observation" />
  <version value="1.0" />
  <name value="SfmObservation" />
  <title value="sfm-Observation" />
  <status value="active" />
  <date value="2021-05-01" />
  <description value="sfm-Observation is derived from Obsrevation." />
  <fhirVersion value="4.0.0" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation">
      <path value="Observation" />
      <comment value="Used for simple observations such as device measurements, laboratory atomic results, vital signs, height, weight, smoking status, comments, etc.  SFM is processing status, code, subject and value field." />
    </element>
    <element id="Observation.identifier">
      <path value="Observation.identifier" />
      <definition value="A unique identifier assigned to this observation. EHR identifer." />
    </element>
    <element id="Observation.basedOn">
      <path value="Observation.basedOn" />
      <max value="0" />
    </element>
    <element id="Observation.status">
      <path value="Observation.status" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <definition value="Describes what was observed. SFM is using the Norwegian coding for lab results." />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding">
      <path value="Observation.code.coding" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Observation.code.coding.system">
      <path value="Observation.code.coding.system" />
      <fixedUri value="urn:oid:2.16.578.1.12.4.1.1.7280" />
    </element>
    <element id="Observation.code.coding.code">
      <path value="Observation.code.coding.code" />
      <min value="1" />
    </element>
    <element id="Observation.code.coding.display">
      <path value="Observation.code.coding.display" />
      <min value="1" />
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://ehelse.no/fhir/StructureDefinition/sfm-Patient" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.effective[x]">
      <path value="Observation.effective[x]" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.issued">
      <path value="Observation.issued" />
      <max value="0" />
    </element>
    <element id="Observation.performer">
      <path value="Observation.performer" />
      <max value="0" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner" />
      </type>
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.dataAbsentReason">
      <path value="Observation.dataAbsentReason" />
      <max value="0" />
    </element>
    <element id="Observation.interpretation">
      <path value="Observation.interpretation" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.note">
      <path value="Observation.note" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.specimen">
      <path value="Observation.specimen" />
      <max value="0" />
    </element>
    <element id="Observation.referenceRange">
      <path value="Observation.referenceRange" />
      <definition value="Guidance on how to interpret the value by comparison to a normal or recommended range. Used in SFM." />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>