ICD-10 B52
Non-Billable HeaderPlasmodium malariae malaria
About ICD-10-CM B52
ICD-10-CM code B52 represents Plasmodium malariae malaria. This is a non-billable header code in the Infectious and Parasitic Diseases chapter (block B52). The 2026 edition of ICD-10-CM B52 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 B52. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- Plasmodium falciparum (B50.-)
- Plasmodium vivax (B51.-)
Includes
- mixed infections of Plasmodium malariae with other Plasmodium species, except Plasmodium falciparum and Plasmodium vivax
Medicare LCD Coverage for B52
Local Coverage Determinations (LCDs) from CMS MACs that list B52 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 B52.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but B52 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with B52
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 B52
Other codes in section B50-B64 (Protozoal diseases).
ICD-10 B52, Billing FAQ
Is ICD-10 code B52 billable? +
No, B52 is a non-billable header code. Use a more specific child code from block B52 when submitting claims.
What codes are Type 1 Excludes for B52? +
Type 1 Excludes (never code together with B52): Plasmodium falciparum (B50.-); Plasmodium vivax (B51.-)
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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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