0N9R0Z
| Pos | Category | Selected Element & Definition |
|---|---|---|
| 0 | Section |
Medical and Surgical
|
| N | Body System |
Head and Facial Bones
|
| 9 | Operation |
Drainage
Taking or letting out fluids and/or gases from a body part
|
| R | Body Part |
Maxilla
|
| 0 | Approach |
Open
|
| Z | Device |
No Device
|