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: Date/Time Selection Qualifier (2.5.1 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/date-timeSelectionQualifier Version: 1.0.0
Active as of 2026-01-27 Computable Name: Date-timeSelectionQualifier
Other Identifiers: OID:2.16.840.1.113883.18.76

Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of conceptss that allow the specification of certain types of values within the date/time range. Used in HL7 Vesion 2 messaging in the QRF 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/date-timeSelectionQualifier defines the following codes:

CodeDisplayDefinitionversionIntroducedcommentmodifiedDeutsch (German, de)
1ST First value within range First value within range 2.2 erster Wert
ALL All values within the range All values within the range 2.2 alle Werte
LST Last value within the range Last value within the range 2.2 letzter Wert
REV All values within the range returned in reverse chronological order All values within the range returned in reverse chronological order (This is the default if not otherwise specified.) 2.2 (This is the default if not otherwise specified.) 2025-07-30