{
  "resourceType": "Observation",
  "id": "632",
  "meta": {
    "profile": [
      "http://devices.fhir.org/StructureDefinition/NumericObservation",
      "http://hl7.org/fhir/StructureDefinition/oxygensat"
    ]
  },
  "extension": [
    {
      "url": "http://devices.fhir.org/StructureDefinition/observation-measurement-status",
      "valueCode": "questionable"
    },
    {
      "url": "http://devices.fhir.org/StructureDefinition/observation-measurement-status",
      "valueCode": "msmt-state-in-alarm"
    }
  ],
  "status": "final",
  "category": [
    {
      "coding": [
        {
          "system": "http://hl7.org/fhir/observation-category",
          "code": "vital-signs",
          "display": "Vital Signs"
        }
      ]
    }
  ],
  "code": {
    "coding": [
      {
        "system": "http://loinc.org",
        "code": "59408-5",
        "display": "Oxygen saturation in Arterial blood by Pulse oximetry"
      },
      {
        "system": "urn:iso:std:iso:11073:10101",
        "code": "150456",
        "display": "MDC_PULS_OXIM_SAT_O2"
      }
    ]
  },
  "subject": {
    "reference": "Patient/371"
  },
  "effectiveDateTime": "2017-06-02T09:04:48+00:00",
  "valueQuantity": {
    "value": 88,
    "unit": "%",
    "system": "http://unitsofmeasure.org",
    "code": "%"
  },
  "device": {
    "reference": "DeviceMetric/222"
  }
}