Collaborative Stage for TNM 7 - Revised 12/31/2009 [ Schema ]
| Code | Description |
| 000 | Negative sentinel lymph node biopsy |
| 010 | Positive sentinel lymph node biopsy |
| 888 | OBSOLETE DATA CONVERTED V0200 See code 988 Not applicable |
| 988 | Not applicable: Information not collected for this case (May include cases converted from code 888 used in CSv1 for "Not applicable" or when the item was not collected. If this item is required to derive T, N, M, or any stage, use of code 988 may result in an error.) |
| 997 | Sentinel node biopsy performed, unknown results |
| 998 | No sentinel node biopsy performed |
| 999 | Unknown if sentinel node biopsy performed Not stated Not documented in patient record |