ICD-10-CM > K00-K95 > K80-K87 > K82 K82 Other diseases of gallbladder Non-Billable/Non-Specific Type 1 Excludes nonvisualization of gallbladder (R93.2)postcholecystectomy syndrome (K91.5) Codes K82.0Obstruction of gallbladderK82.1Hydrops of gallbladderK82.2Perforation of gallbladderK82.3Fistula of gallbladderK82.4Cholesterolosis of gallbladderK82.8Other specified diseases of gallbladderK82.9Disease of gallbladder, unspecifiedK82.ADisorders of gallbladder in diseases classified elsewhereK82.A1Gangrene of gallbladder in cholecystitisK82.A2Perforation of gallbladder in cholecystitis