Collaborative Stage Data Set - Revised 06/30/2011 FINAL
| Code | Description |
| 000 | No ipsilateral axillary lymph nodes positive |
| 010 | No nodes examined pathologically: positive nodes on clinical assessment only |
| 015 | No nodes examined pathologically: negative nodes on clinical assessment or no clinical assessment |
| 020 | Positive fine needle aspiration (FNA) only |
| 025 | Positive fine needle aspiration (FNA) AND negative lymph node dissection |
| 027 | Positive fine needle aspiration (FNA) AND positive lymph node dissection |
| 030 | Positive core biopsy, incisional only |
| 040 | Positive core biopsy, excisional only |
| 050 | Positive core biopsy, type not specified only |
| 060 | Positive core biopsy(ies) (incisional, excisional, NOS) AND negative lymph node dissection |
| 070 | Positive core biopsy(ies) (incisional, excisional, NOS) AND positive lymph node dissection |
| 100 | Positive sentinel lymph node biopsy(ies) only (no lymph node dissection) |
| 110 | Positive sentinel lymph node biopsy(ies) AND negative lymph node dissection |
| 120 | Positive sentinel lymph node biopsy(ies) AND positive lymph node dissection |
| 123 | Positive lymph node dissection only (No sentinel node biopsy or FNA or core biopsy) |
| 125 | Positive lymph node dissection AND negative FNA |
| 127 | Positive lymph node dissection AND negative core biopsy(ies) (incisional, excisional, NOS) |
| 130 | Positive lymph node dissection AND negative sentinel node biospsy(ies) |
| 140 | OBSOLETE DATA RETAINED V0204 No sentinel node biopsy AND positive lymph node dissection |
| 150 | Nodes positive, but method of assessment unknown |
| 988 | Not applicable: Information not collected for this case (If this information is required by your standard setter, use of code 988 may result in an edit error.) |
| 998 | OBSOLETE DATA CONVERTED V0203 See code 150 Nodes positive, but method of assessment unknown |
| 999 | Unknown or no information Not documented in patient record |