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B83.1

B83.1: Gnathostomiasis

Billable / specific codeICD-10-CM

B83.1 is a billable, specific ICD-10-CM code for gnathostomiasis. It is valid for submission on a claim.

Check B83.1 with the rest of the claim: free scrubber

Inclusion terms

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

  • Wandering swelling

Excludes1 inherited from the categories above B83.1

A category’s note binds every code beneath it.

Written on B83: Other helminthiases

  • capillariasis NOS (B81.1)

Excludes2 inherited from the categories above B83.1

Not part of this code, but both may be coded when both are present.

Written on B83: Other helminthiases

  • intestinal capillariasis (B81.1)

Risk adjustment

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

Alphabetic index entries that lead here

  • Gnathostoma spinigerum(infection) (infestation), gnathostomiasis (wandering swelling)
  • Infection, infected, infective›Gnathostoma(spinigerum)
  • Infestation›Gnathostoma(spinigerum)
  • Swelling›wandering, due to Gnathostoma(spinigerum)
  • Infestation›helminth›gnathostomiasis
  • Infestation›nematode NEC›Gnathostoma spinigerum

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under B83

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.