Specification of health data transfer from devices to DiGA (§ 374a SGB V)
<Observation xmlns="http://hl7.org/fhir">
<id value="example-cgm-series-data-unavailable"/>
<meta>
<profile
value="https://gematik.de/fhir/hddt/StructureDefinition/hddt-continuous-glucose-measurement"/>
</meta>
<status value="preliminary"/>
<code>
<coding>
<system value="http://loinc.org"/>
<code value="99504-3"/>
<display value="Glucose [Mass/volume] in Interstitial fluid"/>
</coding>
</code>
<effectivePeriod>
<start value="2025-09-01T08:00:00+02:00"/>
<end value="2025-09-01T10:00:00+02:00"/>
</effectivePeriod>
<dataAbsentReason>
<coding>
<system
value="http://terminology.hl7.org/CodeSystem/data-absent-reason"/>
<code value="temp-unknown"/>
<display value="Temporarily Unknown"/>
</coding>
</dataAbsentReason>
<note>
<text value="Sensor warm-up phase, values not yet validated."/>
</note>
<device>🔗
<reference value="DeviceMetric/example-devicemetric-cgm"/>
</device>
</Observation>