- 42 Operations On Esophagus
- 43 Incision And Excision Of Stomach
- 44 Other Operations On Stomach
- 45 Incision, Excision, And Anastomosis Of Intestine
- 46 Other Operations On Intestine
- 47 Operations On Appendix
- 48 Operations On Rectum, Rectosigmoid, And Perirectal Tissue
- 49 Operations On Anus
- 50 Operations On Liver
- 51 Operations On Gallbladder And Biliary Tract
- 52 Operations On Pancreas
- 53 Repair Of Hernia
- 54 Other Operations On Abdominal Region
