ICD-10-CM > K00-K95 > K80-K87 > K81 > K81.0 K81.0 Acute cholecystitis Billable/Specific Copy Code Copy Description Applicable To Abscess of gallbladderAngiocholecystitisEmphysematous (acute) cholecystitisEmpyema of gallbladderGangrene of gallbladderGangrenous cholecystitisSuppurative cholecystitis