B51.9

Billable

Plasmodium vivax malaria without complication

B51.9 is the ICD-10-CM code for Plasmodium vivax malaria without complication. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
A00-B99
Parent
B51
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

  • Plasmodium vivax malaria NOS

Frequently asked questions

What is ICD-10 code B51.9?
B51.9 is the ICD-10-CM code for "Plasmodium vivax malaria without complication". It falls under A00-B99 Certain infectious and parasitic diseases.
Is B51.9 a billable code?
Yes — B51.9 is a billable, specific ICD-10-CM code valid for reimbursement.

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

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