B50.9
Plasmodium falciparum malaria, unspecified
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
mixed infections of Plasmodium falciparum with any other Plasmodium species
diseases generally recognized as communicable or transmissible
certain localized infections - see body system-related chapters
carrier or suspected carrier of infectious disease (Z22.-) infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) infectious and parasitic diseases specific to the perinatal period (P35-P39) influenza and other acute respiratory infections (J00-J22)
code to identify resistance to antimicrobial drugs (Z16.-)
Official Guidelines for B50.9
FY 2026 ›Subsections
- I.C.1.aHuman Immunodeficiency Virus (HIV) Infections
- I.C.1.bInfectious agents as the cause of diseases classified to other chapters
- I.C.1.cInfections resistant to antibiotics
- I.C.1.dSepsis, Severe Sepsis, and Septic Shock Infections resistant to antibiotics
- I.C.1.eMethicillin Resistant Staphylococcus aureus (MRSA) Conditions
- I.C.1.fZika virus infections
- I.C.1.gCoronavirus infections
Find B50.9 in the alphabetic index
14 index paths lead to this code
- Chagres fever
- Estivo-autumnal malaria
- Fever › Chagres
- Fever › continued malarial
- Fever › estivo-autumnal
- Fever › Panama
- Fever › subtertian
- Malaria, malarial › algid
- Malaria, malarial › continued
- Malaria, malarial › estivo-autumnal
- Malaria, malarial › falciparum
- Malaria, malarial › tropical
- Fever › intermittent › pernicious
- Malaria, malarial › tertian › malignant