2026 ICD-10-CM Diagnosis Code B53Other specified malaria

ICD-10-CM Codes›A00–B99›B50-B64›B53

ICD-10-CM B53
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

B53 is a non-billable ICD-10-CM category code for other specified malaria, so it cannot be submitted on claims. Use a more specific code from this category instead, such as B53.0, B53.1, and B53.8.

Code Identity

ICD-10-CM Code
B53
Billable Status
No — Non-Billable Category
Code Describes
Other specified malaria
Chapter
B50-B64
Protozoal diseases

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB50-B64Protozoal diseases
CategoryB53Other specified malaria
This CodeB53Other specified malaria

Specific Coding for Other specified malariaOverview

Non-specific codes like B53 require more characters. Use one of these billable codes instead:

  • Use B53.0 for Plasmodium ovale malaria

  • Use B53.1 for Malaria due to simian plasmodia

  • Use B53.8 for Other malaria, not elsewhere classified

Patient EducationClinical

Malaria

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.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About B53Overview

Is B53 (Other specified malaria) a billable code?

No. This is a category header that groups the codes for other specified malaria, and headers cannot be submitted on claims. Claims for other specified malaria need a more specific code from this category, such as B53.0, B53.1, and B53.8.