HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v3.1.0: 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: calendarAlignment

Official URL: http://terminology.hl7.org/CodeSystem/v2-0527 Version: 2.1.0
Active as of 2019-12-01 Responsible: HL7, Inc Computable Name: CalendarAlignment
Other Identifiers: : urn:oid:2.16.840.1.113883.18.343

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

HL7-defined code system of concepts used to specify an alignment of the repetition to a calendar (e.g., to distinguish every 30 days from “the 5th of every month”). Used in HL7 Version 2 messaging in the RPT segment.

Underlying Master Code System for V2 table 0527 (Calendar Alignment)

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


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 code system http://terminology.hl7.org/CodeSystem/v2-0527 defines the following codes:

MY month of the yearmonth of the year
WY week of the yearweek of the year
DM day of the monthday of the month
DY day of the yearday of the year
DW day of the week (begins with Monday)day of the week (begins with Monday)
HD hour of the dayhour of the day
NH minute of the hourminute of the hour
SN second of the minutesecond of the minute

Additional Language Displays

CodeDeutsch (German, de)
DMTag des Monats
DYTag des Jahres
DWTag der Woche (beginnend mit Montag)


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