| Section | 0 | Medical and Surgical |
| Body System | D | Gastrointestinal System |
| Operation | J | Inspection: Visually and/or manually exploring a body part |
| Body Part 0 Upper Intestinal Tract 6 Stomach D Lower Intestinal Tract |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic 7 Via Natural or Artificial Opening 8 Via Natural or Artificial Opening Endoscopic X External |
Device Z No Device |
Qualifier Z No Qualifier |
| Body Part U Omentum V Mesentery W Peritoneum |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic X External |
Device Z No Device |
Qualifier Z No Qualifier |