This page is part of the FHIR Specification (v0.5.0: DSTU 2 Ballot 2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions 

This code system (http://hl7.org/fhir/v3/CalendarCycle) is defined as part of HL7 v3.
Formal value Set definition (identifier http://hl7.org/fhir/v3/vs/CalendarCycle): XML or JSON
Release Date: 2015-03-23
OID for code system: 2.16.840.1.113883.5.9

Calendar cycle identifiers
| Level | Code | Display | Definition |
| 1 | (_CalendarCycleOneLetter) Deprecated | ||
| 2 | CW | week (continuous) | |
| 2 | CY | year | |
| 2 | D | day of the month | |
| 2 | DW | day of the week (begins with Monday) | |
| 2 | H | hour of the day | |
| 2 | M | month of the year | |
| 2 | N | minute of the hour | |
| 2 | S | second of the minute | |
| 1 | (_CalendarCycleTwoLetter) Deprecated | ||
| 2 | CW | ||
| 2 | CY | ||
| 2 | D | ||
| 2 | DW | ||
| 2 | H | ||
| 2 | M | ||
| 2 | N | ||
| 2 | S | ||
| 2 | CD | day (continuous) | |
| 2 | CH | hour (continuous) | |
| 2 | CM | month (continuous) | |
| 2 | CN | minute (continuous) | |
| 2 | CS | second (continuous) | |
| 2 | DY | day of the year | |
| 2 | WY | week of the year | |
| 1 | WM | week of the month |
The week with the month's first Thursday in it (analagous to the ISO 8601 definition for week of the year). |