Collaborative Stage Data Set - Revised 10/31/2010 FINAL
| Code | Description |
| 000 | Negative sentinel lymph node biopsy |
| 010 | Positive sentinel lymph node biopsy |
| 888 | OBSOLETE DATA CONVERTED V0200 See code 988 Not applicable for this site |
| 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 or no information Not documented in patient record |