Calculus of bile duct with cholecystitis

**Inclusion terms:** - Any condition listed in K80.5 with cholecystitis (with cholangitis)

**Code also:** - , if applicable, fistula of bile duct (K83.3)

**Use additional code:** - code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2)