K80.66

K80.66: Calculus of gallbladder and bile duct with acute and chronic cholecystitis without obstruction

Billable / specific codeICD-10-CM

K80.66 is a billable, specific ICD-10-CM code for calculus of gallbladder and bile duct with acute and chronic cholecystitis without obstruction. It is valid for submission on a claim.

Check K80.66 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above K80.66

A category’s note binds every code beneath it.

Written on K80: Cholelithiasis

retained cholelithiasis following cholecystectomy (K91.86)

Other codes that can never be billed with K80.66

Their own Excludes1 notes name this code, so the conflict is not listed above.

K81Cholecystitis
K82.0Obstruction of gallbladder
K82.4Cholesterolosis of gallbladder
K83.1Obstruction of bile duct

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

K80.66 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A55336Billing and Coding: Retroperitoneal Ultrasound
A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
A56421Billing and Coding: CT of the Abdomen and Pelvis
A57414Billing and Coding: Upper Gastrointestinal Endoscopy (Diagnostic and Therapeutic)

Alphabetic index entries that lead here

Calculus, calculi, calculous›gallbladder and bile duct›with›cholecystitis›acute›with›chronic cholecystitis
Calculus, calculi, calculous›gallbladder and bile duct›with›cholecystitis›chronic›with›acute cholecystitis

Code history

Unchanged in every release from FY2024 to FY2027.