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    v1.0.28
    OpenPayerBilling CodesProtozoal diseasesICD-10-CM b52-plasmodium-malariae-malaria
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    ICD-10-CM Code For Plasmodium Malariae Malaria: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group B52 includes infections caused by the protozoan Plasmodium malariae, specifically malaria due to Plasmodium malariae and its clinical presentations. These ICD-10-CM diagnosis codes are used to document acute and uncomplicated or complicated presentations of Plasmodium malariae infection, capturing disease severity, organ involvement, or clinical complexity relevant to this group. Accurate coding within the ICD-10-CM B52 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM B52: Plasmodium malariae malaria Overview

    The diagnoses in this group represent infections caused by the protozoan Plasmodium malariae, which primarily affect the blood and cause malaria. These conditions target the hematologic and systemic effects of parasitic infection and can result in cyclical fever, anemia, and other systemic manifestations. Accurate coding is important for tracking disease burden, guiding public health reporting, and supporting appropriate reimbursement through clear documentation.

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    When to Use

    Use a code from this group when clinical documentation identifies Plasmodium malariae as the causative organism of malaria in a patient. These codes apply to encounters for initial diagnosis, treatment, and management of Plasmodium malariae infection and its documented complications.

    ICD-10-CM Codes

    3 rows

    ICD-10-CM CodeDescription
    B52.0Plasmodium malariae malaria with nephropathy
    B52.8Plasmodium malariae malaria with other complications
    B52.9Plasmodium malariae malaria without complication

    DRG Codes

    3 rows

    DRG CodeDescription
    867Other Infectious and Parasitic Diseases Diagnoses with MCC
    868Other Infectious and Parasitic Diseases Diagnoses with CC
    869Other Infectious and Parasitic Diseases Diagnoses without CC/MCC

    Typical Clinical Scenarios

    • An adult returns from travel to a malaria-endemic region and presents to the emergency department with high fever, chills, myalgia, and headache; thick and thin blood smears confirm erythrocytic Plasmodium malariae trophozoites with no other organ dysfunction, prompting an acute malaria diagnosis from this group. Typical codes: B52.0, B52.9
    • A patient with recurrent, low-grade fevers and intermittent malaise months after initial infection is seen in outpatient infectious disease follow-up; persistent parasitemia of Plasmodium malariae is documented on repeat microscopy and the clinician documents an ongoing parasitic infection requiring outpatient management, warranting a continuing malaria code. Typical codes: B52.9
    • A hospitalized patient with confirmed Plasmodium malariae infection develops severe hemolytic anemia and acute renal impairment after several days of illness; the admission is for management of these complications related to the protozoal infection, and coding should capture the malaria with specified manifestations. Typical codes: B52.8, B52.0

    Related Codes

    B50-PLASMODIUM-FALCIPARUM-MALARIA

    ICD-10-CM Code For Plasmodium Falciparum Malaria: Group Overview

    B53-OTHER-SPECIFIED-MALARIA

    ICD-10-CM Code For Other Specified Malaria: Group Overview

    B54-UNSPECIFIED-MALARIA

    ICD-10-CM Code For Unspecified Malaria: Group Overview

    B55-LEISHMANIASIS

    ICD-10-CM Code For Leishmaniasis: Group Overview

    B56-AFRICAN-TRYPANOSOMIASIS

    ICD-10-CM Code For African Trypanosomiasis: Group Overview

    B57-CHAGAS-DISEASE

    ICD-10-CM Code For Chagas' Disease: Group Overview

    B58-TOXOPLASMOSIS

    ICD-10-CM Code For Toxoplasmosis: Group Overview

    B59-PNEUMOCYSTOSIS

    ICD-10-CM Code For Pneumocystosis: Group Overview

    B60-OTHER-PROTOZOAL-DISEASES

    ICD-10-CM Code For Other Protozoal Diseases Not Elsewhere Classified: Group Overview

    B64-UNSPECIFIED-PROTOZOAL-DISEASE

    ICD-10-CM Code For Unspecified Protozoal Disease: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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