B50.8 Other severe and complicated Plasmodium falciparum malaria
The ICD-10-CM code for Other severe and complicated Plasmodium falciparum malaria is B50.8 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- B50-B64: Protozoal diseases (B50-B64)
- Category B50
- 4 codes (3 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to B50.8:
- West African fever
- Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › hematuric, bilious
- Hematuria › malarial
- Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › hemoglobinuric (malarial) (bilious)
- Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › blackwater
- Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › bilious, hemoglobinuric
- Hematinuria › malarial
- Hemoglobinuria › malarial
Inclusion Terms
- Severe or complicated Plasmodium falciparum malaria NOS
U.S. Hospital Utilization
- An estimated 200 U.S. inpatient stays in 2023 included B50.8 among the documented diagnoses.
- 140 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
HIV Infections (TOC entry)a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19
Infectious agents causing diseases in other chapters (TOC)b. Infectious agents as the cause of diseases classified to other chapters ................................. 22
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026