HL7 v2.3 Vocabulary
0.1.0 - ci-build

HL7 v2.3 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.v23/ and changes regularly. See the Directory of published versions

## CodeSystem: Diagnosis Classification (2.3 - 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:

- Hl7VSdiagnosisClassification

Properties

This code system defines the following properties for its concepts

Name | Code | URI | Type | Description
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:

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