K81.9
K81.9: Cholecystitis, unspecified
Billable / specific codeICD-10-CM
K81.9 is a billable, specific ICD-10-CM code for cholecystitis, unspecified. It is valid for submission on a claim.
Check K81.9 with the rest of the claim: free scrubberOther codes that can never be billed with K81.9
Their own Excludes1 notes name this code, so the conflict is not listed above.
- K82.4Cholesterolosis of gallbladder
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
K81.9 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56421Billing and Coding: CT of the Abdomen and Pelvis
Alphabetic index entries that lead here
- Cholecystitis
- Infection, infected, infective›cystic duct
Code history
Unchanged in every release from FY2024 to FY2027.