HL7 v2.8.1 Vocabulary
0.2.0 - ci-build

HL7 v2.8.1 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 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.v281/ and changes regularly. See the Directory of published versions

## CodeSystem: Relevant Clinicial Information (2.8.1 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/relevantClincialInformation | Version: 1.0.0
Active as of 2026-03-13 | Computable Name: RelevantClincialInformation
Other Identifiers: OID:2.16.840.1.113883.18.422, urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0916
Copyright/Legal: HL7 Inc., 2026

Code system of concepts specifying additional clinical information about the patient or specimen to report the supporting and/or suspected diagnosis and clinical findings on requests for interpreted diagnostic studies. Used in HL7 Version 2.x messaging in the OBR segment.

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

- Hl7VSrelevantClincialInformation

Properties

This code system defines the following properties for its concepts

Name | Code | URI | Type | Description
version introduced | versionIntroduced | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced | string | version when was this code introduced
version deprecated | 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, to suppress IG-publisher warning, to be replaced with standard later | 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/relevantClincialInformation` defines the following codes:

Code | Display | Definition | version introduced | modified
F | Patient was fasting prior to the procedure. | Patient was fasting prior to the procedure. | 2.7.1 |
FNA | Fasting not asked of the patient at time of procedure. | Fasting not asked of the patient at time of procedure. | 2.7.1 | 2022-11-24
NF | The patient indicated they did not fast prior to the procedure. | The patient indicated they did not fast prior to the procedure. | 2.7.1 |
NG | Not Given - Patient was not asked at the time of the procedure. | Not Given - Patient was not asked at the time of the procedure. | 2.7.1 |