0NN73
| Pos | Category | Selected Element & Definition |
|---|---|---|
| 0 | Section |
Medical and Surgical
|
| N | Body System |
Head and Facial Bones
|
| N | Operation |
Release
Freeing a body part from an abnormal physical constraint by cutting or by the use of force
|
| 7 | Body Part |
Occipital Bone
|
| 3 | Approach |
Percutaneous
|