{

"resourceType": "Observation",
"id": "example-TPMT-diplotype",
"text": {
  "status": "generated",
  "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative with Details</b></p><p><b>id</b>: example-TPMT-diplotype</p><p><b>status</b>: final</p><p><b>code</b>: Diplotype Call <span>(Details : {SNOMED CT code '363779003' = '363779003', given as 'Genotype determination'})</span></p><p><b>subject</b>: <a>E***********</a></p><p><b>issued</b>: Apr 3, 2013 3:30:10 PM</p><p><b>value</b>: *1/*4</p><blockquote><p><b>related</b></p><p><b>type</b>: derived-from</p><p><b>target</b>: <a>Observation/example-TPMT-haplotype-one</a></p></blockquote><blockquote><p><b>related</b></p><p><b>type</b>: derived-from</p><p><b>target</b>: <a>Observation/example-TPMT-haplotype-two</a></p></blockquote></div>"
},
"extension": [
  {
    "url": "http://hl7.org/fhir/StructureDefinition/observation-geneticsGene",
    "valueCodeableConcept": {
      "coding": [
        {
          "system": "http://www.genenames.org",
          "code": "12014",
          "display": "TPMT"
        }
      ]
    }
  }
],
"status": "final",
"code": {
  "coding": [
    {
      "system": "http://snomed.info",
      "code": "363779003",
      "display": "Genotype determination"
    }
  ],
  "text": "Diplotype Call"
},
"subject": {
  "reference": "Patient/example",
  "display": "E***********"
},
"issued": "2013-04-03T15:30:10+01:00",
"valueString": "*1/*4",
"related": [
  {
    "type": "derived-from",
    "target": {
      "reference": "Observation/example-TPMT-haplotype-one"
    }
  },
  {
    "type": "derived-from",
    "target": {
      "reference": "Observation/example-TPMT-haplotype-two"
    }
  }
]

}