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| Code | Description |
|---|---|
| 000 | Negative sentinel lymph node biopsy |
| 010 | Positive sentinel lymph node biopsy |
| 988 | Not applicable: Information not collected for this case |
| 997 | Sentinel node biopsy performed, unknown results |
| 998 | No sentinel node biopsy performed |
| 999 | Unknown or no information Not documented in patient record |
