HL7 v2.1 Vocabulary
0.1.0 - ci-build

HL7 v2.1 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.v21/ and changes regularly. See the Directory of published versions

## CodeSystem: Diagnostic Service Section ID (2.1 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/diagnosticServiceSectionId | Version: 1.0.0
Active as of 2026-01-27 | Computable Name: DiagnosticServiceSectionId
Other Identifiers: OID:2.16.840.1.113883.18.29
Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts which specify a section of a diagnostic service where the observation may be performed. Used in HL7 Version 2.x messaging in the OBR and OM4 segments.

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

- Hl7VSdiagnosticServiceSectionId

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/diagnosticServiceSectionId` defines the following codes:

Code | Display | Definition | versionIntroduced | Deutsch (German, de)
BG | Blood Gases | Blood Gases | 2.1 | Blutgase
CH | Chemistry | Chemistry | 2.1 | klinische Chemie
CP | Cytopathology | Cytopathology | 2.1 | Zellpathologie
CT | CAT Scan | CAT Scan | 2.1 | Computertomographie
CUS | Cardiac Ultrasound | Cardiac Ultrasound | 2.1 | kardiologische Ultraschalluntersuchung
EC | Electrocardiac | Electrocardiac (e.g., EKG, EEC, Holter) | 2.1 | Elektrokardiographie
HM | Hematology | Hematology | 2.1 | Hämatologie
IMM | Immunology | Immunology | 2.1 | Immunologie
MB | Microbiology | Microbiology | 2.1 | Mikrobiologie
MCB | Mycobacteriology | Mycobacteriology | 2.1 | Mykobakteriologie
MYC | Mycology | Mycology | 2.1 | Mykologie
NMR | Nuclear Magnetic Resonance | Nuclear Magnetic Resonance | 2.1 | Magnetresonanztomographie
NMS | Nuclear Medicine Scan | Nuclear Medicine Scan | 2.1 | Szintigramm
NRS | Nursing Service Measures | Nursing Service Measures | 2.1 | Pflegemaßnahme
OT | Occupational Therapy | Occupational Therapy | 2.1 | Beschäftigungstherapie
OTH | Other | Other | 2.1 | andere
OUS | OB Ultrasound | OB Ultrasound | 2.1 | geburtshilfl. Ultraschalluntersuchung
PHR | Pharmacy | Pharmacy | 2.1 | Apotheke
PT | Physical Therapy | Physical Therapy | 2.1 | physiklische Therapie
RC | Respiratory Care | Respiratory Care | 2.1 | Atmungstherapie
RT | Radiation Therapy | Radiation Therapy | 2.1 | Strahlentherapie
RUS | Radiology Ultrasound | Radiology Ultrasound | 2.1 | radiolog. Ultraschalluntersuchung
SP | Surgical Pathology | Surgical Pathology | 2.1 | operative Pathologie
SR | Serology | Serology | 2.1 | Serologie
TX | Toxicology | Toxicology | 2.1 | Toxikologie
VUS | Vascular Ultrasound | Vascular Ultrasound | 2.1 | Ultraschalluntersuchung der Gefäße
XRC | Cineradiography | Cineradiography | 2.1 | Röntgenkinematographie