Health Device Data Transfer
Version 1.0.0-rc2 - release

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

: HDDT Lung Function Obervation Example (simple) - XML Representation

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<Observation xmlns="http://hl7.org/fhir">
  <id value="example-peak-flow-simple"/>
  <meta>
    <profile
             value="https://gematik.de/fhir/hddt/StructureDefinition/hddt-lung-function-testing"/>
  </meta>
  <status value="final"/>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="19935-6"/>
      <display
               value="Maximum expiratory gas flow Respiratory system airway by Peak flow meter"/>
    </coding>
  </code>
  <effectiveDateTime value="2025-12-28T08:00:00Z"/>
  <valueQuantity>
    <value value="612"/>
    <unit value="L/min"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="L/min"/>
  </valueQuantity>
  <device>🔗 
    <reference value="Device/example-device-peak-flow-meter"/>
  </device>
</Observation>