ICD-10-CM K81: Cholecystitis

ICD-10-CM Diagnosis Code (2025)

Official Description for K81

Cholecystitis

Coding Notes & Guidelines for K81

Excludes1: Not Coded Here

cholecystitis with cholelithiasis (K80.-)

Use Additional Code

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

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

Child Codes (More Specific Codes for K81):

K81.0 - Acute cholecystitis K81.1 - Chronic cholecystitis K81.2 - Acute cholecystitis with chronic cholecystitis K81.9 - Cholecystitis, unspecified

About ICD-10-CM Code K81 (Cholecystitis)

ICD-10-CM code K81 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K81 became effective on October 1, 2024.

This page provides detailed information about K81 - Cholecystitis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Cholecystitis.