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 - TTL Representation

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@prefix fhir: <http://hl7.org/fhir/> .
@prefix loinc: <https://loinc.org/rdf/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix sct: <http://snomed.info/id/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

 a fhir:Observation ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:id [ fhir:v "example-cgm-series-1"] ; # 
  fhir:meta [
    ( fhir:profile [
fhir:v "https://gematik.de/fhir/hddt/StructureDefinition/hddt-continuous-glucose-measurement"^^xsd:anyURI ;
fhir:l <https://gematik.de/fhir/hddt/StructureDefinition/hddt-continuous-glucose-measurement>     ] )
  ] ; # 
  fhir:status [ fhir:v "final"] ; # 
  fhir:code [
    ( fhir:coding [
a loinc:99504-3 ;
fhir:system [
fhir:v "http://loinc.org"^^xsd:anyURI ;
fhir:l <http://loinc.org>       ] ;
fhir:code [ fhir:v "99504-3" ] ;
fhir:display [ fhir:v "Glucose [Mass/volume] in Interstitial fluid" ]     ] )
  ] ; # 
  fhir:effective [
a fhir:Period ;
fhir:start [ fhir:v "2025-09-26T16:00:00Z"^^xsd:dateTime ] ;
fhir:end [ fhir:v "2025-09-26T16:59:59Z"^^xsd:dateTime ]
  ] ; # 
  fhir:value [
a fhir:SampledData ;
fhir:origin [
fhir:value [ fhir:v "0"^^xsd:decimal ] ;
fhir:unit [ fhir:v "mg/dl" ] ;
fhir:system [
fhir:v "http://unitsofmeasure.org"^^xsd:anyURI ;
fhir:l <http://unitsofmeasure.org>       ] ;
fhir:code [ fhir:v "mg/dL" ]     ] ;
fhir:period [ fhir:v "300000"^^xsd:decimal ] ;
fhir:dimensions [ fhir:v "1"^^xsd:positiveInteger ] ;
fhir:data [ fhir:v "123 122 126 134 129 128 130 131 129 127 127 133" ]
  ] ; # 
  fhir:note ( [
fhir:text [ fhir:v "Example CGM data series with 5-minute intervals over 1 hour (12 samples)." ]
  ] ) ; # 
  fhir:method [
    ( fhir:coding [
a sct:463729000 ;
fhir:system [
fhir:v "http://snomed.info/sct"^^xsd:anyURI ;
fhir:l <http://snomed.info/sct>       ] ;
fhir:code [ fhir:v "463729000" ] ;
fhir:display [ fhir:v "Point-of-care blood glucose continuous monitoring system (physical object)" ]     ] )
  ] ; # 
  fhir:device [
fhir:l fhir:DeviceMetric/example-devicemetric-cgm ;
fhir:reference [ fhir:v "DeviceMetric/example-devicemetric-cgm" ]
  ] . #