K38.3
K38.3: Fistula of appendix
Billable / specific codeICD-10-CM
K38.3 is a billable, specific ICD-10-CM code for fistula of appendix. It is valid for submission on a claim.
Check K38.3 with the rest of the claim: free scrubberRisk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
K38.3 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
- A56632Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
Alphabetic index entries that lead here
- Fistula›appendix, appendicular
Code history
Unchanged in every release from FY2024 to FY2027.