2007 ICD-9-CM Procedure 51.19 Other diagnostic procedures on biliary tract 51.19 is a specific code that can be used to specify a procedure 51.19 contains 3 index entries View the full Volume 3 51.* hierarchy 51.19 excludes: biliary tract x-ray (87.51-87.59) microscopic examination of specimen from biliary tract (91.01-91.09) Index entries containing 51.19: Procedure -- see also specific procedure diagnostic NEC biliary tract 51.19 gallbladder 51.19 sphincter of Oddi 51.19