<StructureDefinition xmlns="http://hl7.org/fhir">
  <meta>
    <lastUpdated value="2017-09-30T17:45:09.408+08:00" />
  </meta>
  <url value="StructureDefinition/Obs-Gene-Differentials" />
  <name value="Obs-Gene_Differentials" />
  <status value="draft" />
  <date value="2017-09-28T12:32:45.884+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>
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      <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="can not find value" />
        <display value="GeneName" />
      </fixedCoding>
    </element>
    <element id="Observation.component:Component.code.text">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Observation.component.code.text" />
      <fixedString value="GeneName" />
    </element>
    <element id="Observation.component:Component.value[x]:valueQuantity">
      <path value="Observation.component.valueQuantity" />
      <sliceName value="valueQuantity" />
      <type>
        <code value="Quantity" />
      </type>
    </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="48001-2" />
        <display value="ChromosomeLocation" />
      </fixedCoding>
    </element>
    <element id="Observation.component:Component.value[x]:valueCodeableConcept">
      <path value="Observation.component.valueCodeableConcept" />
      <sliceName value="valueCodeableConcept" />
      <type>
        <code value="CodeableConcept" />
      </type>
    </element>
    <element id="valueCodeableConcept:valueCodeableConcept.coding">
      <path value="Observation.component.valueCodeableConcept.coding" />
      <slicing>
        <description value=" " />
        <rules value="open" />
      </slicing>
      <definition value="A reference to a code defined by a terminology system. " />
      <max value="1" />
      <fixedCoding>
        <system value="http://loinc.org" />
        <code value="3q21" />
        <display value="3q21" />
      </fixedCoding>
    </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="&quot;DNA region name :&#xA;A human readable name for the region of interest. Typically Exon #, Intron # or other. NOTE: This is not standardized and is mainly for convenience and display purposes. LONIC Code: (47999-8 ).&quot;" />
        <rules value="open" />
      </slicing>
      <max value="1" />
      <fixedCoding>
        <system value="http://loinc.org" />
        <code value="81293-3" />
        <display value="DNARegionName" />
      </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="“All coding regions and appropriate flanking regions”" />
    </element>
  </differential>
</StructureDefinition>