2.16.840.1.113883.2.1.3.2.4.17.170
| Version: | 2.0 |
| Status: | active |
| Date: | 2006-12-15 |
To indicate the type of observed information.
| Code | Description | Note |
| 01 | Source |
The source system for the data (i.e. the system that provided the instance of the data being referenced) |
| 02 | System effective date |
The time period for which this data is / was effectively stored on the system. |
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