<?xml version=“1.0” encoding=“UTF-8”?> <Observation xmlns=“hl7.org/fhir”>

<id value="example-genetics-brcapat"/>

<meta>
  <security>
    <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
    <code value="HTEST"/>
    <display value="test health data"/>
  </security>
</meta>
<extension url="http://hl7.org/fhir/StructureDefinition/observation-geneticsGene">
  <valueCodeableConcept>
    <coding>
      <system value="https://www.ncbi.nlm.nih.gov/nuccore"/>
      <code value="KX470182.1"/>
      <display value="BRCA"/>
    </coding>
  </valueCodeableConcept>
</extension>

<extension url="http://hl7.org/fhir/us/core/StructureDefinition/us-core-ethnicity">
  <valueCodeableConcept>
    <coding>
        <system value="http://browser.ihtsdotools.org/"/>
        <code value="413581001"/>
        <display value="Unknown racial group"/>
    </coding>
  </valueCodeableConcept>
</extension>

<status value="final"/>

<code>
  <coding>
    <system value="http://loinc.org"/>
    <code value="59041-4"/>
    <display value="BRCA1+BRCA2 gene mutations tested for in Blood or Tissue by Molecular genetics method Nominal"/>
  </coding>
</code>

<subject>
    <reference value="Patient/brcapat"/>
    <display value="Patient1 with Breast Cancer FamilyHistory"/>
</subject>

</Observation>