K81 CholecystitisNon-billable header with 4 child codes.
K81.0 Acute cholecystitisK81.1 Chronic cholecystitisK81.2 Acute cholecystitis with chronic cholecystitisK81.9 Cholecystitis, unspecifiedK82.4 Cholesterolosis of gallbladder ("cholesterolosis of gallbladder with cholecystitis (K81.-)")K82.A Disorders of gallbladder in diseases classified elsewhere ("the type of cholecystitis (K81.-), or cholelithiasis with cholecystitis (K80.00-K80.19, K80.40-K80.47, K80.60-K80.67)")K83 Other diseases of biliary tract ("conditions involving the gallbladder (K81-K82)")K83 Other diseases of biliary tract ("conditions involving the cystic duct (K81-K82)")K82.4 Cholesterolosis of gallbladder ("cholesterolosis of gallbladder with cholecystitis (K81.-)")K82.A Disorders of gallbladder in diseases classified elsewhere ("the type of cholecystitis (K81.-), or cholelithiasis with cholecystitis (K80.00-K80.19, K80.40-K80.47, K80.60-K80.67)")K83 Other diseases of biliary tract ("conditions involving the gallbladder (K81-K82)")K83 Other diseases of biliary tract ("conditions involving the cystic duct (K81-K82)")