{
  "resourceType": "DeviceMetric",
  "id": "222",
  "meta": {
    "profile": [
      "http://devices.fhir.org/StructureDefinition/NumericDeviceMetric"
    ]
  },
  "identifier": {
    "use": "temp",
    "system": "urn:ietf:rfc:3986",
    "value": "urn:uuid:1393961f-2638-4014-a5a5-af2c5f0e48d8"
  },
  "type": {
    "coding": [
      {
        "system": "urn:iso:std:iso:11073:10101",
        "code": "150456",
        "display": "MDC_PULS_OXIM_SAT_O2"
      }
    ],
    "text": "SpO2"
  },
  "unit": {
    "coding": [
      {
        "system": "urn:iso:std:iso:11073:10101",
        "code": "262688",
        "display": "MDC_DIM_PERCENT"
      }
    ],
    "text": "%"
  },
  "source": {
    "reference": "Device/72"
  },
  "parent": {
    "reference": "DeviceComponent/442"
  },
  "operationalStatus": "on",
  "category": "measurement"
}