00894

Duration Units

2007-10-26
Definition: This field contains a code describing the units of time used for expressing the duration. This field should be valued according to the recommendations in Chapters 2 and 7. If this field is not valued, the ISO base unit of seconds (code "s") will be assumed. Refer to Chapter 7, Figures 7-6 through 7-9, for a list of ISO and ANSI+ unit codes.

As of v2.6, the known applicable external coding systems include those in the table below. If the code set you are using is in this table, then you must use that designation.

Unit of Measure Coding Systems from HL7 Table 0396
Length≤250
9 components
1R-Identifier
2O-Text
3OName of Coding System
4O-Alternate Identifier
5O-Alternate Text
6OName of Alternate Coding System
7C-Coding System Version ID
8O-Alternate Coding System Version ID
9O-Original Text