Health Device Data Transfer
Version 1.0.0 - release

Specification of health data transfer from devices to DiGA (§ 374a SGB V)

: HDDT Blood Pressure DeviceMetric Example - JSON Representation

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{
  "resourceType" : "DeviceMetric",
  "id" : "example-blood-pressure-metric",
  "meta" : {
    "profile" : [
      🔗 "https://gematik.de/fhir/hddt/StructureDefinition/hddt-sensor-type-and-calibration-status"
    ]
  },
  "type" : {
    "coding" : [
      {
        "system" : "http://snomed.info/sct",
        "version" : "http://snomed.info/sct/11000274103/version/20251115",
        "code" : "70665002",
        "display" : "Blood pressure cuff"
      }
    ]
  },
  "unit" : {
    "coding" : [
      {
        "system" : "http://unitsofmeasure.org",
        "code" : "mm[Hg]",
        "display" : "mm[Hg]"
      }
    ]
  },
  "source" : {
    🔗 "reference" : "Device/example-device-blood-pressure-cuff"
  },
  "operationalStatus" : "on",
  "category" : "measurement",
  "calibration" : [
    {
      "type" : "unspecified",
      "state" : "calibrated",
      "time" : "2025-09-01T09:08:04+02:00"
    }
  ]
}