0NP0X4
| Pos | Category | Selected Element & Definition |
|---|---|---|
| 0 | Section |
Medical and Surgical
|
| N | Body System |
Head and Facial Bones
|
| P | Operation |
Removal
Taking out or off a device from a body part
|
| 0 | Body Part |
Skull
|
| X | Approach |
External
|
| 4 | Device |
Internal Fixation Device
|