0NBC3
| Pos | Category | Selected Element & Definition |
|---|---|---|
| 0 | Section |
Medical and Surgical
|
| N | Body System |
Head and Facial Bones
|
| B | Operation |
Excision
Cutting out or off, without replacement, a portion of a body part
|
| C | Body Part |
Sphenoid Bone
|
| 3 | Approach |
Percutaneous
|