ICD10BillableValid for clinical use
ICD-10 Code B54: Unspecified malaria
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain infectious and parasitic diseases (A00-B99).
When is it used?
- May be used when a clinician documents unspecified malaria in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
1Certain infectious and parasitic diseases (A00-B99)
block
B50-B64Protozoal diseases
currentB50-B64
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
Infectious Disease SpecialistGeneral Physician
Related codes
B50Plasmodium falciparum malariacategoryB51Plasmodium vivax malariacategoryB52Plasmodium malariae malariacategoryB53Other specified malariacategoryB55LeishmaniasiscategoryB56African trypanosomiasiscategoryB57Chagas' diseasecategoryB58ToxoplasmosiscategoryB59PneumocystosiscodeB60Other protozoal diseases, not elsewhere classifiedcategoryB64Unspecified protozoal diseasecode
Sibling codes
B50Plasmodium falciparum malariaB51Plasmodium vivax malariaB52Plasmodium malariae malariaB53Other specified malariaB55LeishmaniasisB56African trypanosomiasisB57Chagas' diseaseB58ToxoplasmosisB59PneumocystosisbillableB60Other protozoal diseases, not elsewhere classifiedB64Unspecified protozoal diseasebillable
Mapped diagnoses and classifications
SNOMED_CT 240631007high
Airport malaria
Source: SNOMED International ICD-10 map
SNOMED_CT 735531008high
Clinical malaria
Source: SNOMED International ICD-10 map
SNOMED_CT 1141602008high
Complicated malaria
Source: SNOMED International ICD-10 map
SNOMED_CT 248439001high
Double quotidien fever
Source: SNOMED International ICD-10 map
SNOMED_CT 735522008high
Human immunodeficiency virus World Health Organization 2007 stage 1 co-occurrent with malaria
Source: SNOMED International ICD-10 map
SNOMED_CT 240630008high
Hyperreactive malarial splenomegaly syndrome
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
B54
Common synonyms
Unspecified malaria
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.