These are the quality flags used to describe the validity of a measurement.
| Code | Description | Last time modified |
|---|---|---|
| 0 | No quality control (QC) has been performed on this element. | 5/20/2003 8:38:56 AM |
| 1 | QC has been performed; element appears to be correct. | 5/20/2003 8:39:12 AM |
| 2 | QC has been performed; element appears to be inconsistent with other elements. | 5/20/2003 8:39:28 AM |
| 3 | QC has been performed; element appears to be doubtful. | 5/20/2003 8:39:35 AM |
| 4 | QC has been performed; element appears to be erroneous. | 5/20/2003 8:39:41 AM |
| 5 | The value has been changed as a result of QC. | 5/20/2003 8:39:50 AM |
| 6 | Reserved. | 5/12/2003 8:26:32 AM |
| 7 | Reserved. | 5/12/2003 8:26:24 AM |
| 8 | QC has been performed by the originator. | 5/20/2003 8:40:08 AM |
| 9 | The value of the element is missing. | 5/12/2003 8:26:17 AM |