A unit of time (units from UCUM).
Copyright Statement: These codes are excerpted from UCUM (THE UNIFIED CODE FOR UNITS OF MEASURE). UCUM is Copyright © 1989-2013 Regenstrief Institute, Inc. and The UCUM Organization, Indianapolis, IN. All rights reserved. See http://unitsofmeasure.org/trac//wiki/TermsOfUse for details.
This value set includes codes from the following code systems:
http://unitsofmeasure.org| Code | Display | Definition |
| s | second | second |
| min | minute | minute |
| h | hour | hour |
| d | day | day |
| wk | week | week |
| mo | month | month |
| a | year | year |
Additional Language Displays
| Code | 中文 (Chinese, zh) |
| s | 秒 |
| min | 分钟 |
| h | 小时 |
| d | 天 |
| wk | 星期 |
| mo | 月 |
| a | 年 |