51.98 Other percutaneous procedures on biliary tract
Percutaneous biliary endoscopy via existing T-tube or other tract for:
dilation of biliary duct stricture
removal of stone(s) except common duct stone
exploration (postoperative)
Percutaneous transhepatic biliary drainage
Excludes:
percutaneous aspiration of gallbladder (51.01)
percutaneous biopsy and/or collection of specimen by brushing or washing (51.12)
percutaneous removal of common duct stone(s) (51.96)