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K82.A1

K82.A1: Gangrene of gallbladder in cholecystitis

Billable / specific codeICD-10-CM

K82.A1 is a billable, specific ICD-10-CM code for gangrene of gallbladder in cholecystitis. It is valid for submission on a claim.

Check K82.A1 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above K82.A1

A category’s note binds every code beneath it.

Written on K82: Other diseases of gallbladder

  • nonvisualization of gallbladder (R93.2)
  • postcholecystectomy syndrome (K91.5)

Risk adjustment

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

Medicare coverage

K82.A1 is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A53057Billing and Coding: Home Health Occupational Therapy
  • A53064Billing and Coding: Outpatient Occupational Therapy
  • A55336Billing and Coding: Retroperitoneal Ultrasound
  • A56421Billing and Coding: CT of the Abdomen and Pelvis

Alphabetic index entries that lead here

  • Cholecystitis›with›gangrene of gallbladder

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under K82.A

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.