{

"resourceType": "Observation",
"id": "example-genetics-5",
"extension": [
  {
    "url": "http://hl7.org/fhir/StructureDefinition/observation-sequelTo",
    "valueReference": {
      "reference": "Observation/example-genetics-1",
      "display": "ObservationForGenetics profile example 1"
    }
  }
],
"status": "final",
"code": {
  "text": "PCR validation"
},
"subject": {
  "reference": "Patient/example",
  "display": "Molecular Lab Patient ID: HOSP-23456"
},
"issued": "2013-04-03T15:30:10+01:00",
"performer": [
  {
    "reference": "Practitioner/example",
    "display": "Sequence Analysis Laboratory"
  }
],
"valueCodeableConcept": {
  "coding": [
    {
      "system": "http://snomed.info/sct",
      "code": "260385009",
      "display": "Negative"
    }
  ]
},
"meta": {
  "tag": [
    {
      "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason",
      "code": "HTEST",
      "display": "test health data"
    }
  ]
}

}