<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ae29f41f-303d-4b42-bb13-591487fe2b19" />
  <meta>
    <lastUpdated value="2022-01-28T09:16:12.028+00:00" />
  </meta>
  <url value="https://example.org/fhir/StructureDefinition/MyObservation" />
  <name value="MyObservation" />
  <status value="draft" />
  <date value="2022-01-28T09:05:29.4662227+00:00" />
  <fhirVersion value="4.0.1" />
  <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">
      <path value="Observation.code" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="coding.system" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Observation.code:LOINCCODE">
      <path value="Observation.code" />
      <sliceName value="LOINCCODE" />
    </element>
    <element id="Observation.code:LOINCCODE.coding.system">
      <path value="Observation.code.coding.system" />
      <min value="1" />
      <fixedUri value="http://loinc.org" />
    </element>
    <element id="Observation.code:LOINCCODE.coding.code">
      <path value="Observation.code.coding.code" />
      <min value="1" />
      <fixedCode value="85354-9" />
    </element>
    <element id="Observation.code:LOINCCODE.coding.display">
      <path value="Observation.code.coding.display" />
      <min value="1" />
      <fixedString value="Blood pressure panel with all children optional" />
    </element>
    <element id="Observation.code:SNOMEDCT">
      <path value="Observation.code" />
      <sliceName value="SNOMEDCT" />
    </element>
    <element id="Observation.code:SNOMEDCT.coding.system">
      <path value="Observation.code.coding.system" />
      <fixedUri value="http://snomed.info/sct" />
    </element>
    <element id="Observation.code:SNOMEDCT.coding.code">
      <path value="Observation.code.coding.code" />
      <fixedCode value="75367002" />
    </element>
    <element id="Observation.code:SNOMEDCT.coding.display">
      <path value="Observation.code.coding.display" />
      <fixedString value="Blood pressure" />
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <min value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Observation.value[x].unit">
      <path value="Observation.value[x].unit" />
      <fixedString value="mmHg" />
    </element>
    <element id="Observation.value[x].system">
      <path value="Observation.value[x].system" />
      <fixedUri value="http://unitsofmeasure.org" />
    </element>
    <element id="Observation.value[x].code">
      <path value="Observation.value[x].code" />
      <fixedCode value="mm[Hg]" />
    </element>
    <element id="Observation.bodySite">
      <path value="Observation.bodySite" />
      <max value="0" />
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>