ICD-10 B50
Non-Billable HeaderPlasmodium falciparum malaria
About ICD-10-CM B50
ICD-10-CM code B50 represents Plasmodium falciparum malaria. This is a non-billable header code in the Infectious and Parasitic Diseases chapter (block B50). The 2026 edition of ICD-10-CM B50 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
- mixed infections of Plasmodium falciparum with any other Plasmodium species
Medicare LCD Coverage for B50
Local Coverage Determinations (LCDs) from CMS MACs that list B50 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 B50.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but B50 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with B50
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 B50
Other codes in section B50-B64 (Protozoal diseases).
ICD-10 B50, Billing FAQ
Is ICD-10 code B50 billable? +
No, B50 is a non-billable header code. Use a more specific child code from block B50 when submitting claims.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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