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

      <id value="example-genetics-1"/><!--  extension url="http://hl7.org/fhir/StructureDefinition/observation-geneticsDNASequenceVariantName" >
  <valueCodeableConcept> 
    <text value="NG_007726.3:g.146252T&gt;G" />
  </valueCodeableConcept>
</extension  --><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="http://www.genenames.org"/>
                              <code value="3236"/>
                              <display value="EGFR"/>
                      </coding>
              </valueCodeableConcept>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/observation-geneticsDNARegionName">
              <valueString value="Exon 21"/>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/observation-geneticsGenomicSourceClass">
              <valueCodeableConcept>
                      <coding>
                              <system value="http://loinc.org"/>
                              <code value="LA6684-0"/>
                              <display value="somatic"/>
                      </coding>
              </valueCodeableConcept>
      </extension>
      <status value="final"/>
      <code>
              <coding>
                      <system value="http://loinc.org"/>
                      <code value="55233-1"/>
                      <display value="Genetic analysis master panel-- This is the parent OBR for the panel holding all of the associated observations that can be reported with a molecular genetics analysis result."/>
              </coding>
      </code>
      <subject>
              <reference value="Patient/example"/>
              <display value="Molecular Lab Patient ID: HOSP-23456"/>
      </subject>
      <issued value="2013-04-03T15:30:10+01:00"/>
      <performer>
              <reference value="Practitioner/example"/>
              <display value="Molecular Diagnostics Laboratory"/>
      </performer>
      <valueCodeableConcept>
              <coding>
                      <system value="http://snomed.info/sct"/>
                      <code value="10828004"/>
                      <display value="Positive"/>
              </coding>
      </valueCodeableConcept>
      <specimen>
              <reference value="Specimen/genetics-example1-somatic"/>
              <display value="Molecular Specimen ID: MLD45-Z4-1234"/>
      </specimen>

</Observation>