Collaborative Stage for TNM 7 - Revised 11/09/2009 [ Schema ]
| Code | Description |
| 000 | Test not done |
| 010 | Positive/elevated |
| 020 | Negative/normal; within normal limits |
| 030 | Borderline; undetermined whether positive or negative |
| 988 | Not applicable: Information not collected for this case |
| 998 | Test ordered, results not in chart |
| 999 | Unknown or no information Not documented in patient record |