HL7 v2.5.1 Vocabulary
0.1.0 - ci-build

HL7 v2.5.1 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.v251/ and changes regularly. See the Directory of published versions

## CodeSystem: Diagnostic Service Section ID (2.5.1 - 1.4.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/diagnosticServiceSectionId | Version: 1.4.0
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 | status | modified | Deutsch (German, de)
AU | Audiology | Audiology | 2.2 |  |  | Audiologie
BG | Blood Gases | Blood Gases | 2.1 |  |  | Blutgase
BLB | Blood Bank | Blood Bank | 2.2 |  |  | Blutbank
CH | Chemistry | Chemistry | 2.1 |  |  | Klinische Chemie
CP | Cytopathology | Cytopathology | 2.1 |  |  | Zellpathologie
CT | CAT Scan | CAT Scan | 2.1 |  |  | Computertomographie
CTH | Cardiac Catheterization | Cardiac Catheterization | 2.2 |  |  | Herzkatheter
CUS | Cardiac Ultrasound | Cardiac Ultrasound | 2.1 |  |  | Kardiologische Ultraschalluntersuchung
EC | Electrocardiac | Electrocardiac (e.g., EKG, EEC, Holter) | 2.1 |  |  | Elektrokardiographie
EN | Electroneuro | Electroneuro (EEG, EMG, EP, PSG) | 2.2 |  |  |
HM | Hematology | Hematology | 2.1 |  |  | Hämatologie
ICU | Bedside ICU Monitoring | Bedside ICU Monitoring | 2.3 |  |  |
IMG | Diagnostic Imaging | Diagnostic Imaging | 2.4 | inactive | 2024-12-30 |
IMM | Immunology | Immunology | 2.1 |  |  | Immunologie
LAB | Laboratory | Laboratory | 2.3 |  |  | Labor
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 |  |  | Kernspintomographie (MR)
NMS | Nuclear Medicine Scan | Nuclear Medicine Scan | 2.1 |  |  | Szintigramm
NRS | Nursing Service Measures | Nursing Service Measures | 2.1 |  |  | Pflegemaßnahme
OSL | Outside Lab | Outside Lab | 2.2 |  |  | Externes Labor
OT | Occupational Therapy | Occupational Therapy | 2.1 |  |  | Beschäftigungstherapie
OTH | Other | Other | 2.1 |  |  | Andere
OUS | OB Ultrasound | OB Ultrasound | 2.1 |  |  | Geburtshilfiche Ultraschalluntersuchung
PAR | Parasitology |  | 2.4 | inactive | 2024-12-30 |
PAT | Pathology (gross & histopath, not surgical) |  | 2.4 | inactive | 2024-12-30 |
PF | Pulmonary Function | Pulmonary Function | 2.2 |  |  | Lungenfunktion
PHR | Pharmacy | Pharmacy | 2.1 |  |  | Apotheke
PHY | Physician | Physician (Hx. Dx, admission note, etc.) | 2.2 |  |  | Arzt (Krankengeschichte, Diagnose, Aufnahmeuntersuchung)
PT | Physical Therapy | Physical Therapy | 2.1 |  |  | physiklische Therapie
RAD | Radiology | Radiology | 2.3 |  |  | Radiologie
RC | Respiratory Care (therapy) | Respiratory Care (therapy) | 2.1 |  |  | Atemtherapie
RT | Radiation Therapy | Radiation Therapy | 2.1 |  |  | Strahlentherapie
RUS | Radiology Ultrasound | Radiology Ultrasound | 2.1 |  |  | Radiologische Ultraschalluntersuchung
RX | Radiograph | Radiograph | 2.2 |  |  | Röntgenaufnahme
SP | Surgical Pathology | Surgical Pathology | 2.1 |  |  | Operative Pathologie
SR | Serology | Serology | 2.1 |  |  | Serologie
TX | Toxicology | Toxicology | 2.1 |  |  | Toxikologie
URN | Urinalysis |  | 2.4 | inactive | 2024-12-30 |
VR | Virology | Virology | 2.2 |  |  | Virologie
VUS | Vascular Ultrasound | Vascular Ultrasound | 2.1 |  |  | Ultraschalluntersuchung der Gefäße
XRC | Cineradiograph | Cineradiograph | 2.1 |  |  | Röntgenkinematographie