MCMedicalCodingSoftware
B65.3

B65.3: Cercarial dermatitis

Billable / specific codeICD-10-CM

B65.3 is a billable, specific ICD-10-CM code for cercarial dermatitis. It is valid for submission on a claim.

Check B65.3 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Swimmer's itch

Other codes that can never be billed with B65.3

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • N35.1Postinfective urethral stricture, not elsewhere classified

Risk adjustment

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

Medicare coverage

B65.3 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck

Alphabetic index entries that lead here

  • Clam digger's itch
  • Bilharziasis›cutaneous
  • Dermatitis›cercarial
  • Dermatitis›schistosome
  • Itch, itching›clam digger's
  • Itch, itching›swimmer's
  • Schistosomiasis›cutaneous
  • Swimmer's›itch
  • Infestation›Schistosoma›cercariae

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under B65

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.