K81.2
✓ Billable
Acute cholecystitis with chronic cholecystitis
ICD-10-CM · FY2026 · Diseases of the Digestive System
Code
K81.2
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Digestive System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code K81.2?
ICD-10-CM code K81.2 represents Acute cholecystitis with chronic cholecystitis. It is a billable diagnosis code in the Diseases of the Digestive System chapter, effective October 1, 2025 – September 30, 2026.
Is K81.2 billable?
Yes. K81.2 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is K81.2 in?
K81.2 belongs to the Diseases of the Digestive System chapter (K00–K95) of ICD-10-CM.
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