B54

Billable

ChapterA00–B99

Rankcategory

Official Description

Unspecified malaria

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes

diseases generally recognized as communicable or transmissible

Excludes1(Not coded here)

certain localized infections - see body system-related chapters

Excludes2(Not included here)

carrier or suspected carrier of infectious disease (Z22.-)
infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
infectious and parasitic diseases specific to the perinatal period (P35-P39)
influenza and other acute respiratory infections (J00-J22)

Use Additional Code

code to identify resistance to antimicrobial drugs (Z16.-)

B50-B64 Parent Instructions

Excludes1(Not coded here)

amebiasis (A06.-)
other protozoal intestinal diseases (A07.-)

Clinical Hierarchy

CH1Certain infectious and parasitic diseases (A00-B99)

B50-B64Protozoal diseases (B50-B64)

B54Unspecified malaria

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B54:

blockB50-B64

Protozoal diseases (B50-B64)

View context instructions

chapterCH1

Certain infectious and parasitic diseases (A00-B99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to B54. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

16 raw paths

Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)3 unique routes

malarial→B54

marsh→B54

paludal→B54

Chill (s)1 unique routes

congestive in malarial regions→B54

Disorder (of)1 unique routes

liver

malarial→B54

Malaria, malarial (fever)8 unique routes

Direct index entry→B54