What does ICD-10 code B53.1 mean?

ICD-10 code B53.1 is the standardized code used for malaria due to simian plasmodia in medical records and coding systems.

When is ICD-10 code B53.1 used?

Doctors, hospitals, and insurers may use ICD-10 code B53.1 when recording malaria due to simian plasmodia in a standardized format.

Does ICD-10 code B53.1 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10BillableValid for clinical use

ICD-10 Code B53.1: Malaria due to simian plasmodia

Name: ICD-10 Code B53.1: Malaria due to simian plasmodia
Creator: HealthAssure Clinical Team
Published: 2026-05-26T05:25:39.445Z

B53.1 is a billable ICD-10 diagnosis code used to classify Malaria due to simian plasmodia in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. 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).

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 malaria due to simian plasmodia 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

Official coding notes

Excludes1 (do not code together)

Malaria due to simian plasmodia with Plasmodium falciparum (B50.-)
Malaria due to simian plasmodia with Plasmodium malariae (B52.-)
Malaria due to simian plasmodia with Plasmodium ovale (B53.0)
Malaria due to simian plasmodia with Plasmodium vivax (B51.-)

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

Sibling codes

B53.0Plasmodium ovale malariabillable B53.8Other malaria, not elsewhere classifiedbillable

Mapped diagnoses and classifications

SNOMED_CT 186795000high

Malaria caused by simian plasmodia

Source: SNOMED International ICD-10 map

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.

Legacy codes

B53.1

Common synonyms

Malaria due to simian plasmodia

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.