Specification of health data transfer from devices to DiGA (§ 374a SGB V)
<Observation xmlns="http://hl7.org/fhir">
<id value="example-fev1-reference-value"/>
<meta>
<profile
value="https://gematik.de/fhir/hddt/StructureDefinition/hddt-lung-reference-value"/>
</meta>
<status value="final"/>
<code>
<coding>
<system value="http://loinc.org"/>
<code value="20149-1"/>
<display value="FEV1 predicted"/>
</coding>
</code>
<effectivePeriod>
<start value="2025-05-01"/>
</effectivePeriod>
<valueQuantity>
<value value="4.5"/>
<unit value="L"/>
<system value="http://unitsofmeasure.org"/>
<code value="L"/>
</valueQuantity>
<method>
<coding>
<system
value="https://gematik.de/fhir/hddt/CodeSystem/hddt-lung-function-reference-value-method-codes"/>
<code value="GLI-2022"/>
</coding>
</method>
<device>🔗
<reference value="Device/example-device-peak-flow-meter"/>
</device>
</Observation>