2007 ICD-9-CM Procedure 51.42 Common duct exploration for relief of other obstruction 51.42 is a specific code that can be used to specify a procedure 51.42 contains 5 index entries View the full Volume 3 51.* hierarchy Index entries containing 51.42: Decompression common bile duct 51.42 by intubation 51.43 endoscopic 51.87 percutaneous 51.98 Exploration -- see also Incision bile duct(s) 51.59 common duct 51.51 for relief of obstruction 51.42 endoscopic 51.84 common bile duct 51.51 for relief of obstruction 51.42 endoscopic 51.84 Incision (and drainage) bile duct (with T or Y tube insertion) NEC 51.59 common (exploratory) 51.51 for relief of obstruction NEC 51.42 common bile duct (for exploration) 51.51 for relief of obstruction 51.42