example.json

{
  "resourceType": "Observation",
  "id": "1725-lab",
  "status": "final",
  "category": {
    "coding": [
      {
        "system": "http://hl7.org/fhir/observation-category",
        "code": "laboratory",
        "display": "Laboratory"
      }
    ],
    "text": "Laboratory"
  },
  "code": {
    "coding": [
      {
        "system": "http://loinc.org",
        "code": "2339-0",
        "display": "Glucose Bld-mCnc"
      }
    ],
    "text": "Glucose Bld-mCnc"
  },
  "subject": {
    "reference": "Patient/1134281"
  },
  "effectiveDateTime": "2005-07-05",
  "valueQuantity": {
    "value": 86,
    "unit": "mg/dL",
    "system": "http://unitsofmeasure.org"
  }
}