0NHC4
| Pos | Category | Selected Element & Definition |
|---|---|---|
| 0 | Section |
Medical and Surgical
|
| N | Body System |
Head and Facial Bones
|
| H | Operation |
Insertion
Putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part
|
| C | Body Part |
Sphenoid Bone
|
| 4 | Approach |
Percutaneous Endoscopic
|