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B81.0

B81.0: Anisakiasis

Billable / specific codeICD-10-CM

B81.0 is a billable, specific ICD-10-CM code for anisakiasis. It is valid for submission on a claim.

Check B81.0 with the rest of the claim: free scrubber

Inclusion terms

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

  • Infection due to Anisakis larva

Excludes1 inherited from the categories above B81.0

A category’s note binds every code beneath it.

Written on B81: Other intestinal helminthiases, not elsewhere classified

  • angiostrongyliasis due to:
  • Angiostrongylus cantonensis (B83.2)
  • Parastrongylus cantonensis (B83.2)

Risk adjustment

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

Alphabetic index entries that lead here

  • Anisakiasis(infection) (infestation)
  • Anisakis larvae infestation
  • Infection, infected, infective›Anisakiasis, Anisakis larvae
  • Infestation›Anisakis larvae, anisakiasis
  • Infestation›helminth›intestinal›anisakiasis

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under B81

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.