2007 ICD-9-CM Procedure 51.6 Local excision or destruction of lesion or tissue of biliary ducts and sphincter of oddi 51.6 is a non-specific code that should not be used to specify a procedure View the full Volume 3 51.* hierarchy Code also anastomosis other than end-to-end (51.31,51.36-51.39) 51.6 excludes: biopsy of bile duct (51.12-51.13)