| 00 |
No nodes examined |
| 01-89 |
1 - 89 nodes examined (code exact number of regional lymph nodes examined) |
| 90 |
90 or more nodes examined |
| 95 |
No regional nodes removed, but aspiration or core biopsy of regional nodes performed |
| 96 |
Regional lymph node removal documented as sampling and number of nodes unknown/not stated |
| 97 |
Regional lymph node removal documented as dissection and number of nodes unknown/not stated |
| 98 |
Regional lymph nodes surgically removed but number of lymph nodes unknown/not stated and not documented as sampling or dissection; nodes examined, but number unknown |
| 99 |
Unknown if nodes were examined; not applicable or negative
Not documented in medical record |