{

"resourceType": "Observation",
"id": "example",
"status": "final",
"category": [
  {
    "coding": [
      {
        "system": "http://terminology.hl7.org/CodeSystem/observation-category",
        "code": "vital-signs",
        "display": "Vital Signs"
      }
    ]
  }
],
"code": {
  "coding": [
    {
      "system": "http://loinc.org",
      "code": "29463-7",
      "display": "Body Weight"
    },
    {
      "system": "http://loinc.org",
      "code": "3141-9",
      "display": "Body weight Measured"
    },
    {
      "system": "http://snomed.info/sct",
      "code": "27113001",
      "display": "Body weight"
    },
    {
      "system": "http://acme.org/devices/clinical-codes",
      "code": "body-weight",
      "display": "Body Weight"
    }
  ]
},
"subject": {
  "reference": "Patient/example"
},
"encounter": {
  "reference": "Encounter/example"
},
"effectiveDateTime": "2016-03-28",
"valueQuantity": {
  "value": 185,
  "unit": "lbs",
  "system": "http://unitsofmeasure.org",
  "code": "[lb_av]"
},
"meta": {
  "tag": [
    {
      "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason",
      "code": "HTEST",
      "display": "test health data"
    }
  ]
}

}