MCMedicalCodingSoftware
B66.8

B66.8: Other specified fluke infections

Billable / specific codeICD-10-CM

B66.8 is a billable, specific ICD-10-CM code for other specified fluke infections. It is valid for submission on a claim.

Check B66.8 with the rest of the claim: free scrubber

Inclusion terms

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

  • Echinostomiasis
  • Heterophyiasis
  • Metagonimiasis
  • Nanophyetiasis
  • Watsoniasis

Risk adjustment

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

Medicare coverage

B66.8 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

  • Echinostomiasis
  • Gastrodisciasis, gastrodiscoidiasis
  • Heterophyes, heterophyiasis(small intestine)
  • Metagonimiasis
  • Metagonimus infestation(intestine)
  • Nanophyetiasis
  • Watsoniasis
  • Infection, infected, infective›Heterophyes(heterophyes)
  • Infection, infected, infective›Metagonimus
  • Infection, infected, infective›Stellantchasmus falcatus
  • Infestation›Echinostomum ilocanum
  • Infestation›Gastrodiscoides hominis

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under B66

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.