00BN0
| Pos | Category | Selected Element & Definition |
|---|---|---|
| 0 | Section |
Medical and Surgical
|
| 0 | Body System |
Central Nervous System and Cranial Nerves
|
| B | Operation |
Excision
Cutting out or off, without replacement, a portion of a body part
|
| N | Body Part |
Acoustic Nerve
|
| 0 | Approach |
Open
|