MCMedicalCodingSoftware
A04.5

A04.5: Campylobacter enteritis

Billable / specific codeICD-10-CM

A04.5 is a billable, specific ICD-10-CM code for campylobacter enteritis. It is valid for submission on a claim.

Check A04.5 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above A04.5

A category’s note binds every code beneath it.

Written on A04: Other bacterial intestinal infections

  • bacterial foodborne intoxications, NEC (A05.-)
  • tuberculous enteritis (A18.32)

Risk adjustment

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

Medicare coverage

A04.5 is named in 8 Medicare coverage policies: 8 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
  • A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
  • A56632Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
  • A57342Billing and Coding: Diagnostic and Therapeutic Colonoscopy

Alphabetic index entries that lead here

  • Infection, infected, infective›Campylobacter, intestinal
  • Diarrhea, diarrheal›due to›Campylobacter
  • Enteritis›infectious NOS›due to›Campylobacter

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under A04

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.