B50

Non-billable

Plasmodium falciparum malaria

B50 is the ICD-10-CM code for Plasmodium falciparum malaria. It is a non-billable category code — use a more specific child code such as B50.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
3
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

Malaria is a serious disease caused by a parasite. You get it when an infected mosquito bites you. Malaria is a major cause of death worldwide, but it is almost wiped out in the United States. The disease is mostly a problem in developing countries with warm climates. If you travel to these countries, you are at risk. There are four different types of malaria caused by four related parasites. The most deadly type…

Read more about Malaria at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • mixed infections of Plasmodium falciparum with any other Plasmodium species

Frequently asked questions

What is ICD-10 code B50?
B50 is the ICD-10-CM code for "Plasmodium falciparum malaria". It falls under A00-B99 Certain infectious and parasitic diseases.
Is B50 a billable code?
No — B50 is a non-billable header code. Use a more specific child code (such as B50.0) for billing.
What are the subcodes of B50?
B50 has 3 more specific child codes, including B50.0, B50.8, B50.9.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.