HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v5.3.0: Release) based on FHIR R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

CodeSystem: precision

Official URL: http://terminology.hl7.org/CodeSystem/v2-0529 Version: 2.1.0
Active as of 2019-12-01 Responsible: HL7, Inc Computable Name: Precision
Other Identifiers: id: urn:oid:2.16.840.1.113883.18.345

Copyright/Legal: Copyright HL7. Licensed under creative commons public domain

HL7-defined code system of concepts specifying the degree of precision of the time stamp (Y = year, L = month, D = day, H = hour, M = minute, S = second). Used in HL7 Version 2 messaging in the TS datatype. Note deprecated in 2.5.1 and retained only for backward compatibility, as the datatypes and architecture for the degree of precision for timestamps was changed.

Underlying Master Code System for V2 table 0529 (Precision)

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


This code system defines the following properties for its concepts

statushttp://terminology.hl7.org/CodeSystem/utg-concept-properties#statuscodeStatus of the concept
deprecatedhttp://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-table-deprecatedcodeVersion of HL7 in which the code was deprecated


This case-sensitive code system http://terminology.hl7.org/CodeSystem/v2-0529 defines the following codes in a Is-A heirarchy:

CodeDisplayDefinitionDeutsch (German, de)
Y yearyearJahr
L monthmonthMonat
D daydayTag
H hourhourStunde
M minuteminuteMinute
S secondsecondSekunde


2020-05-06reviseTed KleinVocabulary WGMigrated to the UTG maintenance environment and publishing tooling.