K80: Cholelithiasis
K80.4: Calculus of bile duct with cholecystitis

inclusionTerm
Any condition listed in K80.5 with cholecystitis (with cholangitis)
Codes also fistula of bile duct (K83.3)

useAdditionalCode
code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2)
K80.40: Calculus of bile duct with cholecystitis, unspecified, without obstruction
K80.41: Calculus of bile duct with cholecystitis, unspecified, with obstruction
K80.42: Calculus of bile duct with acute cholecystitis without obstruction
K80.43: Calculus of bile duct with acute cholecystitis with obstruction
K80.44: Calculus of bile duct with chronic cholecystitis without obstruction
K80.45: Calculus of bile duct with chronic cholecystitis with obstruction
K80.46: Calculus of bile duct with acute and chronic cholecystitis without obstruction
K80.47: Calculus of bile duct with acute and chronic cholecystitis with obstruction

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