{

"resourceType": "Observation",
"id": "example-genetics-1",
"extension": [
  {
    "url": "http://hl7.org/fhir/StructureDefinition/observation-geneticsGene",
    "valueCodeableConcept": {
      "coding": [
        {
          "system": "http://www.genenames.org",
          "code": "3236",
          "display": "EGFR"
        }
      ]
    }
  },
  {
    "url": "http://hl7.org/fhir/StructureDefinition/observation-geneticsDNARegionName",
    "valueString": "Exon 21"
  },
  {
    "url": "http://hl7.org/fhir/StructureDefinition/observation-geneticsGenomicSourceClass",
    "valueCodeableConcept": {
      "coding": [
        {
          "system": "http://loinc.org",
          "code": "LA6684-0",
          "display": "somatic"
        }
      ]
    }
  }
],
"status": "final",
"code": {
  "coding": [
    {
      "system": "http://loinc.org",
      "code": "55233-1",
      "display": "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."
    }
  ]
},
"subject": {
  "reference": "Patient/example",
  "display": "Molecular Lab Patient ID: HOSP-23456"
},
"issued": "2013-04-03T15:30:10+01:00",
"performer": [
  {
    "reference": "Practitioner/example",
    "display": "Molecular Diagnostics Laboratory"
  }
],
"valueCodeableConcept": {
  "coding": [
    {
      "system": "http://snomed.info/sct",
      "code": "10828004",
      "display": "Positive"
    }
  ]
},
"specimen": {
  "reference": "Specimen/genetics-example1-somatic",
  "display": "Molecular Specimen ID: MLD45-Z4-1234"
},
"meta": {
  "tag": [
    {
      "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason",
      "code": "HTEST",
      "display": "test health data"
    }
  ]
}

}