ICD-10 Code K80.63 – Calculus of gallbladder and bile duct with acute cholecystitis with obstruction (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code K80.63 – Calculus of gallbladder and bile duct with acute cholecystitis with obstruction
What it is
K80.63 identifies gallstones in the gallbladder or bile duct when they cause acute cholecystitis and obstruct the flow of bile. Use it when documentation clearly links the stone, inflammation, and obstruction.
Clinical signs
Typical findings include right upper quadrant pain, tenderness, and signs of acute gallbladder inflammation. Clinical features vary; refer to documentation for evidence of obstruction or involvement of the bile duct.
When to use this code
Use this code when the record states calculi of the gallbladder or bile duct with acute cholecystitis and obstruction. It fits cases where the clinician documents both the acute inflammatory process and blocked bile flow. Check documentation if the note does not specify the site or obstruction.
Do not use for
Do not use K80.63 for gallstones without acute cholecystitis, or for cholecystitis without documented obstruction. If the obstruction is not confirmed, or the diagnosis is different, check documentation.
Coding tip
Code only when all elements are documented together: calculus, acute cholecystitis, and obstruction.