HL7 v2.5 Vocabulary
0.1.0 - ci-build

HL7 v2.5 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.v25/ and changes regularly. See the Directory of published versions

CodeSystem: Event Related Period (2.5 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/eventRelatedPeriod Version: 1.0.0
Active as of 2026-01-27 Computable Name: EventRelatedPeriod
Other Identifiers: OID:2.16.840.1.113883.18.344

Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts specifying a common (periodical) activity of daily living. Used in HL7 Version 2 messaging in the RPT 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/eventRelatedPeriod defines the following codes:

CodeDisplayDefinitionversionIntroducedDeutsch (German, de)
AC before meal (from lat. ante cibus) before meal (from lat. ante cibus) 2.5
ACD before lunch (from lat. ante cibus diurnus) before lunch (from lat. ante cibus diurnus) 2.5 vor dem Mittagessen (from lat. Ante cibus diurnus)
ACM before breakfast (from lat. ante cibus matutinus) before breakfast (from lat. ante cibus matutinus) 2.5 vor dem Frühstück (from lat. Ante cibus matutinus)
ACV before dinner (from lat. ante cibus vespertinus) before dinner (from lat. ante cibus vespertinus) 2.5 vor dem Abendessen (from lat. Ante cibus vespertinus)
HS the hour of sleep (e.g., H18-22) the hour of sleep (e.g., H18-22) 2.5
IC between meals (from lat. inter cibus) between meals (from lat. inter cibus) 2.5
ICD between lunch and dinner between lunch and dinner 2.5
ICM between breakfast and lunch between breakfast and lunch 2.5
ICV between dinner and the hour of sleep between dinner and the hour of sleep 2.5
PC after meal (from lat. post cibus) after meal (from lat. post cibus) 2.5
PCD after lunch (from lat. post cibus diurnus) after lunch (from lat. post cibus diurnus) 2.5
PCM after breakfast (from lat. post cibus matutinus) after breakfast (from lat. post cibus matutinus) 2.5
PCV after dinner (from lat. post cibus vespertinus) after dinner (from lat. post cibus vespertinus) 2.5