Sphincterotomy, Transduodenal

**Definition:** Surgical incision of the SPHINCTER OF ODDI in the management of COMMON BILE DUCT DISEASES (e.g., CHOLEDOCHOLITHIASIS; and SPHINCTER OF ODDI DYSFUNCTION).

**Tree numbers:** - E04.210.120.860 - E04.515.750.750

**Synonyms:** - Sphincterotomy, Transhepatic