Plasmodium falciparum malaria (B50) ICD-10-CM
The B50 code range covers plasmodium falciparum malaria with 4 ICD-10-CM diagnosis codes. 3 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- mixed infections of Plasmodium falciparum with any other Plasmodium species
Codes in the B50 Range 4 codes · 3 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the B50 range.
Malaria, Falciparum
Malaria caused by PLASMODIUM FALCIPARUM. This is the severest form of malaria and is associated with the highest levels of parasites in the blood. This disease is characterized by irregularly recurring febrile paroxysms that in extreme cases occur with acute cerebral, renal, or gastrointestinal manifestations.
About the B50 Code Range
Falciparum malaria is malaria caused by Plasmodium falciparum. It falls within the broader group of protozoal diseases.
B50 separates cases with brain (cerebral) complications, other severe and complicated cases, and unspecified cases. B50.0 identifies cerebral complications; B50.8 identifies other severe and complicated cases; and B50.9 is unspecified.
Questions About This Page
How many billable codes are in the B50 range?
Of the 4 codes in this range, 3 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the B50 range classify?
The range classifies plasmodium falciparum malaria. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.