2026 ICD-10-CM Diagnosis Code B52Plasmodium malariae malaria

ICD-10-CM Codes›A00–B99›B50-B64›B52

ICD-10-CM B52
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

B52 is a non-billable ICD-10-CM category code for plasmodium malariae malaria, so it cannot be submitted on claims. Use a more specific code from this category instead, such as B52.0, B52.8, and B52.9.

Code Identity

ICD-10-CM Code
B52
Billable Status
No — Non-Billable Category
Code Describes
Plasmodium malariae malaria
Chapter
B50-B64
Protozoal diseases

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB50-B64Protozoal diseases
CategoryB52Plasmodium malariae malaria
This CodeB52Plasmodium malariae malaria

Specific Coding for Plasmodium malariae malariaOverview

Non-specific codes like B52 require more characters. Use one of these billable codes instead:

  • Use B52.0 for Plasmodium malariae malaria with nephropathy

  • Use B52.8 for Plasmodium malariae malaria with other complications

  • Use B52.9 for Plasmodium malariae malaria without complication

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • mixed infections of Plasmodium malariae with other Plasmodium species, except Plasmodium falciparum and Plasmodium vivax

Type 1 Excludes

  • Plasmodium falciparum B50
  • Plasmodium vivax B51

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 B52Overview

Is B52 (Plasmodium malariae malaria) a billable code?

No. This is a category header that groups the codes for plasmodium malariae malaria, and headers cannot be submitted on claims. Claims for plasmodium malariae malaria need a more specific code from this category, such as B52.0, B52.8, and B52.9.