| Section | 0 | Medical and Surgical |
| Body System | D | Gastrointestinal System |
| Operation | 7 | Dilation: Expanding an orifice or the lumen of a tubular body part |
| 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 K Ascending Colon L Transverse Colon M Descending Colon N Sigmoid Colon P Rectum Q Anus |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic 7 Via Natural or Artificial Opening 8 Via Natural or Artificial Opening Endoscopic |
Device D Intraluminal Device Z No Device |
Qualifier Z No Qualifier |