Implementation Guide
Health Device Data Transfer
Version 0.1.0 - ballot

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

: HDDT Blood Glucose Obervation Example (general) - XML Representation

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<Observation xmlns="http://hl7.org/fhir">
  <id value="example-blood-glucose"/>
  <meta>
    <profile
             value="https://gematik.de/fhir/hddt/StructureDefinition/hddt-blood-glucose-measurement"/>
  </meta>
  <status value="final"/>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="2339-0"/>
      <display value="Glucose [Mass/volume] in Blood"/>
    </coding>
  </code>
  <effectiveDateTime value="2025-10-23T08:30:00Z"/>
  <valueQuantity>
    <value value="30"/>
    <comparator value="&lt;"/>
    <unit value="mg/dl"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="mg/dL"/>
  </valueQuantity>
  <device>🔗 
    <reference value="DeviceMetric/example-glucometer-metric"/>
  </device>
</Observation>