0DL1
Upper
| Pos | Category | Selected Element & Definition |
|---|---|---|
| 0 | Section |
Medical and Surgical
|
| D | Body System |
Gastrointestinal System
|
| L | Operation |
Occlusion
Completely closing an orifice or the lumen of a tubular body part
|
| 1 | Body Part |
Esophagus, Upper
|