ICD-10 B73
Non-Billable HeaderOnchocerciasis
About ICD-10-CM B73
ICD-10-CM code B73 represents Onchocerciasis. This is a non-billable header code in the Infectious and Parasitic Diseases chapter (block B73). The 2026 edition of ICD-10-CM B73 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.
Includes
- onchocerca volvulus infection
- onchocercosis
- river blindness
Medicare LCD Coverage for B73
Local Coverage Determinations (LCDs) from CMS MACs that list B73 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 B73.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but B73 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with B73
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 B73
Other codes in section B65-B83 (Helminthiases).
ICD-10 B73, Billing FAQ
Is ICD-10 code B73 billable? +
No, B73 is a non-billable header code. Use a more specific child code from block B73 when submitting claims.
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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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