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 Relative Value Obervation Example (FEV1 measured/predicted) - XML Representation

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<Observation xmlns="http://hl7.org/fhir">
  <id value="example-fev1-relative-value"/>
  <meta>
    <profile
             value="https://gematik.de/fhir/hddt/StructureDefinition/hddt-lung-function-testing-complete"/>
  </meta>
  <status value="final"/>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="20152-5"/>
      <display value="FEV1 measured/predicted"/>
    </coding>
  </code>
  <effectiveDateTime value="2025-12-28T08:00:00Z"/>
  <valueQuantity>
    <value value="75.5"/>
    <unit value="%"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="%"/>
  </valueQuantity>
  <device>🔗 
    <reference value="Device/example-device-peak-flow-meter"/>
  </device>
  <derivedFrom>🔗 
    <reference value="Observation/example-fev1-single-measurement"/>
  </derivedFrom>
  <derivedFrom>🔗 
    <reference value="Observation/example-fev1-reference-value"/>
  </derivedFrom>
</Observation>