K81: Cholecystitis useAdditionalCode code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2) excludes1 cholecystitis with cholelithiasis (K80.-) |
| K81.0: Acute cholecystitis |
| K81.1: Chronic cholecystitis |
| K81.2: Acute cholecystitis with chronic cholecystitis |
| K81.9: Cholecystitis, unspecified |