ICD-10 B81
Non-Billable HeaderOther intestinal helminthiases, not elsewhere classified
About ICD-10-CM B81
ICD-10-CM code B81 represents Other intestinal helminthiases, not elsewhere classified. This is a non-billable header code in the Infectious and Parasitic Diseases chapter (block B81). The 2026 edition of ICD-10-CM B81 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with B81. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- angiostrongyliasis due to:
- Angiostrongylus cantonensis (B83.2)
- Parastrongylus cantonensis (B83.2)
Medicare LCD Coverage for B81
Local Coverage Determinations (LCDs) from CMS MACs that list B81 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing B81.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but B81 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with B81
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To B81
Other codes in section B65-B83 (Helminthiases).
ICD-10 B81, Billing FAQ
Is ICD-10 code B81 billable? +
No, B81 is a non-billable header code. Use a more specific child code from block B81 when submitting claims.
What codes are Type 1 Excludes for B81? +
Type 1 Excludes (never code together with B81): angiostrongyliasis due to:; Angiostrongylus cantonensis (B83.2); Parastrongylus cantonensis (B83.2)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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