ICD-10-CM Tabular Index · Chapter 1 · FY 2027 B50

Plasmodium falciparum malaria (B50) ICD-10-CM

The B50 code range covers plasmodium falciparum malaria with 4 ICD-10-CM diagnosis codes. 3 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.

✓ Built from the official CMS FY 2027 datasetEffective Oct 1, 2026 – Sep 30, 2027
4
Diagnosis Codes
3
Billable Codes
B50
Code Range
B50–B64
Parent Section

Includes

This note appears immediately under a three character code title to further define, or give examples of, the content of the category.

ICD-10-CM

Codes in the B50 Range 4 codes · 3 billable

4 of 4 shown
  • B50 Plasmodium falciparum malariaNon-billable
  • B50.0 Plasmodium falciparum malaria with cerebral complications
  • B50.8 Other severe and complicated Plasmodium falciparum malaria
  • B50.9 Plasmodium falciparum malaria, unspecified

Clinical Terms in This Code Range

Definitions from the National Library of Medicine for conditions coded in the B50 range.

Malaria, Falciparum

Malaria caused by PLASMODIUM FALCIPARUM. This is the severest form of malaria and is associated with the highest levels of parasites in the blood. This disease is characterized by irregularly recurring febrile paroxysms that in extreme cases occur with acute cerebral, renal, or gastrointestinal manifestations.

About the B50 Code Range

Falciparum malaria is malaria caused by Plasmodium falciparum. It falls within the broader group of protozoal diseases.

B50 separates cases with brain (cerebral) complications, other severe and complicated cases, and unspecified cases. B50.0 identifies cerebral complications; B50.8 identifies other severe and complicated cases; and B50.9 is unspecified.

Questions About This Page

How many billable codes are in the B50 range?

Of the 4 codes in this range, 3 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.

What does the B50 range classify?

The range classifies plasmodium falciparum malaria. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.

Related References

Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.