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B80

B80Enterobiasis

Billable / specific codeICD-10-CM

B80 is a billable, specific ICD-10-CM code for enterobiasis. It is valid for submission on a claim.

Includes

Conditions this code covers.

  • oxyuriasis
  • pinworm infection
  • threadworm infection

Risk adjustment

B80 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

B80 is named in 2 Medicare coverage policies 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
  • A56632Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy

How B80 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to B80.

  • Appendicopathia oxyurica
  • Enterobiasis
  • Enterobius vermicularis(infection) (infestation)
  • Oxyuriasis
  • Oxyuris vermicularis(infestation)
  • Pinworm(disease) (infection) (infestation)
  • Seatworm(infection) (infestation)
  • Threadworm(infection) (infestation)
  • Disease, diseasedpinworm
  • Infection, infected, infectiveEnterobius vermicularis
  • Infection, infected, infectiveOxyuris vermicularis
  • Infection, infected, infectivepinworm

Questions about B80

Is B80 a billable ICD-10-CM code?
Yes. B80 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does B80 sit in the tabular list?
Certain infectious and parasitic diseases (A00-B99), in the block Helminthiases (B65-B83).
ICD-10-CMFY2026-Apr· effective April 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.