What is the icd-10-cm code for choledocholithiasis with acute cholangitis and obstruction

The right answer is indeed calculus of bile duct with acute cholangitis with obstruction

It is also called acute cholangitis and obstruction due to bile duct calculus, or common bile duct stone with acute cholangitis).

Biliary lithiasis, or cholelithiasis, is the formation of stones within the gallbladder, the organ that stores the bile secreted by the liver.

Cholangitis results in inflammation of the small bile ducts that tend to shrink, impeding the normal flow of bile.