Implementation Guide
Health Device Data Transfer
Version 0.1.0 - ballot

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

: HDDT rtCGM Full Chunk Observation Example - XML Representation

Raw xml | Download


<Observation xmlns="http://hl7.org/fhir">
  <id value="example-cgm-series"/>
  <meta>
    <profile
             value="https://gematik.de/fhir/hddt/StructureDefinition/hddt-continuous-glucose-measurement"/>
  </meta>
  <status value="final"/>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="99504-3"/>
      <display value="Glucose [Mass/volume] in Interstitial fluid"/>
    </coding>
  </code>
  <effectivePeriod>
    <start value="2025-10-28T08:00:00Z"/>
    <end value="2025-10-28T09:00:00Z"/>
  </effectivePeriod>
  <valueSampledData>
    <origin>
      <value value="0"/>
      <unit value="mg/dl"/>
      <system value="http://unitsofmeasure.org"/>
      <code value="mg/dL"/>
    </origin>
    <period value="60000"/>
    <lowerLimit value="35"/>
    <upperLimit value="360"/>
    <dimensions value="1"/>
    <data
          value="110 111 112 113 114 115 116 117 118 119 120 90 77 66 56 39 36 L L L 40 51 66 81 91 99 101 120 122 121 120 119 118 117 116 115 114 113 112 111 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129"/>
  </valueSampledData>
  <note>
    <text
          value="Example CGM data series with 1-minute intervals over 1 hour (60 samples)."/>
  </note>
  <method>
    <coding>
      <system value="http://snomed.info/sct"/>
      <code value="463729000"/>
      <display
               value="Point-of-care blood glucose continuous monitoring system (physical object)"/>
    </coding>
  </method>
  <device>🔗 
    <reference value="DeviceMetric/example-devicemetric-cgm"/>
  </device>
</Observation>