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K80.1

K80.1: Calculus of gallbladder with other cholecystitis

Non-billable headerICD-10-CM

K80.1 is a non-billable header ICD-10-CM code for calculus of gallbladder with other cholecystitis. It cannot be billed on its own: choose one of the more specific child codes below.

Use additional code

Add a secondary code to capture the detail described below.

  • code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2)

Excludes1 inherited from the categories above K80.1

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 K80.1

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.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead K80.1

6 child codes. Green means billable.

Other codes under K80

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.