{
  "resourceType": "Observation",
  "id": "map-sitting",
  "status": "final",
  "category": [
    {
      "coding": [
        {
          "system": "http://terminology.hl7.org/CodeSystem/observation-category",
          "code": "laboratory",
          "display": "Laboratory"
        }
      ]
    }
  ],
  "code": {
    "coding": [
      {
        "system": "http://loinc.org",
        "code": "8478-0",
        "display": "Mean blood pressure"
      }
    ]
  },
  "subject": {
    "reference": "Patient/example"
  },
  "encounter": {
    "reference": "Encounter/example"
  },
  "effectivePeriod": {
    "start": "2018-04-02T10:30:10+01:00",
    "end": "2018-04-05T10:30:10+01:00"
  },
  "issued": "2018-04-03T15:30:10+01:00",
  "valueQuantity": {
    "value": 60,
    "unit": "mm Hg",
    "system": "http://unitsofmeasure.org",
    "code": "mm[Hg]"
  },
  "interpretation": [
    {
      "coding": [
        {
          "system": "http://terminology.hl7.org/CodeSystem/v2-0078",
          "code": "L",
          "display": "Low"
        }
      ],
      "text": "Below low normal"
    }
  ],
  "meta": {
    "tag": [
      {
        "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason",
        "code": "HTEST",
        "display": "test health data"
      }
    ]
  }
}