| Section | 0 | Medical and Surgical |
| Body System | D | Gastrointestinal System |
| Operation | N | Release: Freeing a body part from an abnormal physical constraint by cutting or by the use of force |
| Body Part 1 Esophagus, Upper 2 Esophagus, Middle 3 Esophagus, Lower 4 Esophagogastric Junction 5 Esophagus 6 Stomach 7 Stomach, Pylorus 8 Small Intestine 9 Duodenum A Jejunum B Ileum C Ileocecal Valve E Large Intestine F Large Intestine, Right G Large Intestine, Left H Cecum J Appendix K Ascending Colon L Transverse Colon M Descending Colon N Sigmoid Colon P Rectum |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic 7 Via Natural or Artificial Opening 8 Via Natural or Artificial Opening Endoscopic |
Device Z No Device |
Qualifier Z No Qualifier |
| Body Part Q Anus |
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 R Anal Sphincter S Greater Omentum T Lesser Omentum V Mesentery W Peritoneum |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic |
Device Z No Device |
Qualifier Z No Qualifier |