K81.0

ICD-10Billable

Acute cholecystitis

Official ICD-10-CM descriptor (FY2026)

Acute cholecystitis

K81.0 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Abscess of gallbladder
Angiocholecystitis
Emphysematous (acute) cholecystitis
Empyema of gallbladder
Gangrene of gallbladder
Gangrenous cholecystitis
Suppurative cholecystitis

Related codes in K81

Where this code sits

Chapter: 11. Diseases of the digestive system (K00-K95)
Block: Disorders of gallbladder, biliary tract and pancreas (K80-K87)
Parent code: K81

Krasyn AI Coder

Get code suggestions automatically as you type notes. Free for 50 analyses.

Install for Chrome — free

Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.