v2+ Vocabulary
0.3.0 - Working Draft to present the concept ideas (FO)

v2+ Vocabulary - Local Development build (v0.3.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

CodeSystem: Duration Categories (2.9 - 1.2.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/durationCategoriesV120 Version: 1.2.0
Active as of 2025-08-05 Computable Name: DurationCategoriesV120
Other Identifiers: OID:2.16.840.1.113883.18.150

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Code system of concepts used to classify an observation definition as intended to measure a patient's state at a point in time. Used in HL7 Version 2.x messaging in the OM1 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
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/durationCategoriesV120 defines the following codes:

CodeDisplayDefinitionversion introducedstatuscomment, to suppress IG-publisher warning, to be replaced with standard laterusagemodified
* (asterisk) Life of the "unit" (asterisk) Life of the "unit" 2.3 inactive Used for blood products. Deprecated March 2016; use code LU instead. 2016-03-12
12H 12 hours 12 hours 2.3 2015-07-13
1H 1 hour 1 hour 2.3 2015-07-13
1L 1 months (30 days) 1 months (30 days) 2.3 2015-07-13
1W 1 week 1 week 2.3 2015-07-13
2.5H 2 1/2 hours 2 1/2 hours 2.3 2015-07-13
24H 24 hours 24 hours 2.3 2015-07-13
2D 2 days 2 days 2.3 2015-07-13
2H 2 hours 2 hours 2.3 2015-07-13
2L 2 months 2 months 2.3 2015-07-13
2W 2 weeks 2 weeks 2.3 2015-07-13
30M 30 minutes 30 minutes 2.3 2015-07-13
3D 3 days 3 days 2.3 2015-07-13
3H 3 hours 3 hours 2.3 2015-07-13
3L 3 months 3 months 2.3 2015-07-13
3W 3 weeks 3 weeks 2.3 2015-07-13
4D 4 days 4 days 2.3 2015-07-13
4H 4 hours 4 hours 2.3 2015-07-13
4W 4 weeks 4 weeks 2.3 2015-07-13
5D 5 days 5 days 2.3 2015-07-13
5H 5 hours 5 hours 2.3 2015-07-13
6D 6 days 6 days 2.3 2015-07-13
6H 6 hours 6 hours 2.3 2015-07-13
7H 7 hours 7 hours 2.3 2015-07-13
8H 8 hours 8 hours 2.3 2015-07-13
LU Life of the "unit" Life of the "unit" (for blood products). 2.9 In a master file update for blood products, no specific duration value can be specified (see OM1-43 “Point Versus Interval” field definition). 2016-03-16
PT point in time To identify measures at a point in time. 2.3 2016-07-06