ICD-10 Code K80.50 – Calculus of bile duct without cholangitis or cholecystitis without obstruction (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code K80.50 – Calculus of bile duct without cholangitis or cholecystitis without obstruction
What it is
This code identifies a gallstone located in the bile duct, with no cholangitis, no cholecystitis, and no documented obstruction. Use it when the record clearly states the stone is present but complications are absent.
Clinical signs
Clinical features vary; refer to documentation. Patients may have biliary-type pain or incidental imaging findings, but the chart should not show infection, gallbladder inflammation, or obstruction related to the duct stone.
When to use this code
Use K80.50 when the provider documents a bile duct calculus and specifically excludes cholangitis, cholecystitis, and obstruction. It is appropriate for confirmed imaging or operative findings when no complicating biliary condition is recorded. If the note is unclear, check documentation before coding.
Do not use for
Do not use this code if cholangitis, cholecystitis, or duct obstruction is documented. Also avoid it when the stone is in the gallbladder rather than the bile duct.
Coding tip
Verify both location and complications in the note; a missing detail can change the code.