<StructureDefinition xmlns="http://hl7.org/fhir">
  <meta>
    <lastUpdated value="2017-09-28T11:05:05.169+08:00" />
  </meta>
  <url value="StructureDefinition/Obs-Genotype-Differentials" />
  <name value="Obs-Genotype_Differentials" />
  <status value="draft" />
  <date value="2017-09-28T10:51:19.884+08:00" />
  <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.component">
      <path value="Observation.component" />
      <slicing>
        <description value="  " />
        <rules value="open" />
      </slicing>
    </element>
    <element id="Observation.component:Component">
      <path value="Observation.component" />
      <sliceName value="Component" />
      <max value="1" />
    </element>
    <element id="Observation.component:Component.code.coding">
      <path value="Observation.component.code.coding" />
      <slicing>
        <description value=" " />
        <rules value="open" />
      </slicing>
      <max value="1" />
      <fixedCoding>
        <system value="http://loinc.org" />
        <code value="47998-0" />
        <display value="Genotype display name" />
      </fixedCoding>
    </element>
    <element id="Observation.component:Component.value[x]:valueString">
      <path value="Observation.component.valueString" />
      <sliceName value="valueString" />
      <type>
        <code value="string" />
      </type>
      <fixedString value="*A/*A" />
    </element>
  </differential>
</StructureDefinition>