HL7 v2.9 Vocabulary
0.1.0 - ci-build

HL7 v2.9 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v29/ and changes regularly. See the Directory of published versions

CodeSystem: Diagnosis Classification (2.9 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/diagnosisClassification Version: 1.0.0
Active as of 2026-01-27 Computable Name: DiagnosisClassification
Other Identifiers: OID:2.16.840.1.113883.18.128

Copyright/Legal: HL7 Inc., 2026

Code system of concepts used to classify whether a patient visit can be related to a diagnosis. Used in HL7 Version 2.x messaging in the DG1 segment.

This Code system is referenced in the content logical definition of the following value sets:

Properties

This code system defines the following properties for its concepts

NameCodeURITypeDescription
versionIntroduced versionIntroduced http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced string version when was this code introduced
versionDeprecated versionDeprecated http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated string version when was this code deprecated
status status http://hl7.org/fhir/concept-properties#status code A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired
comment comment http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment string A string that provides additional detail pertinent to the use or understanding of the concept
usage usage http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage string usage notes for this code
modified modified http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified dateTime date of last modification

Concepts

This case-sensitive code system http://terminology.hl7.org/v2plusvocab/CodeSystem/diagnosisClassification defines the following codes:

CodeDisplayDefinitionversionIntroducedmodifiedDeutsch (German, de)
C Consultation Consultation 2.3 2015-07-13 Behandlung
D Diagnosis Diagnosis 2.3 2015-07-13 Diagnose
I Invasive procedure not classified elsewhere (I.V., catheter, etc.) Invasive procedure not classified elsewhere (I.V., catheter, etc.) 2.3 2015-07-13 Maßnahme
M Medication (antibiotic) Medication (antibiotic) 2.3 2015-07-13 Medikation
O Other Other 2.3 2015-07-13 andere
R Radiological scheduling (not using ICDA codes) Radiological scheduling (not using ICDA codes) 2.3 2015-07-13 Planung von radiologischen Untersuchungen
S Sign and symptom Sign and symptom 2.3 2015-07-13 Symptome
T Tissue diagnosis Tissue diagnosis 2.3 2015-07-13 Gewebebestimmung