4A1B8G
| Pos | Category | Selected Element & Definition |
|---|---|---|
| 4 | Section |
Measurement and Monitoring
|
| A | Body System |
Physiological Systems
|
| 1 | Operation |
Monitoring
Determining the level of a physiological or physical function repetitively over a period of time
|
| B | Body System |
Gastrointestinal
|
| 8 | Approach |
Via Natural or Artificial Opening Endoscopic
|
| G | Function / Device |
Secretion
|