Specification of health data transfer from devices to DiGA (§ 374a SGB V)
<Observation xmlns="http://hl7.org/fhir">
<id value="example-fev1-single-measurement"/>
<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="20150-9"/>
<display value="FEV1"/>
</coding>
</code>
<effectiveDateTime value="2025-12-28T08:00:00Z"/>
<valueQuantity>
<value value="3.4"/>
<unit value="L"/>
<system value="http://unitsofmeasure.org"/>
<code value="L"/>
</valueQuantity>
<device>🔗
<reference value="Device/example-device-peak-flow-meter"/>
</device>
</Observation>