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 - XML Representation

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<DeviceMetric xmlns="http://hl7.org/fhir">
  <id value="example-blood-pressure-metric"/>
  <meta>
    <profile
             value="https://gematik.de/fhir/hddt/StructureDefinition/hddt-sensor-type-and-calibration-status"/>
  </meta>
  <type>
    <coding>
      <system value="http://snomed.info/sct"/>
      <version value="http://snomed.info/sct/11000274103/version/20251115"/>
      <code value="70665002"/>
      <display value="Blood pressure cuff"/>
    </coding>
  </type>
  <unit>
    <coding>
      <system value="http://unitsofmeasure.org"/>
      <code value="mm[Hg]"/>
      <display value="mm[Hg]"/>
    </coding>
  </unit>
  <source>🔗 
    <reference value="Device/example-device-blood-pressure-cuff"/>
  </source>
  <operationalStatus value="on"/>
  <category value="measurement"/>
  <calibration>
    <type value="unspecified"/>
    <state value="calibrated"/>
    <time value="2025-09-01T09:08:04+02:00"/>
  </calibration>
</DeviceMetric>