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    v1.0.28
    OpenPayerBilling CodesProtozoal diseasesICD-10-CM b58-toxoplasmosis
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    ICD-10-CM Code For Toxoplasmosis: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group B58 includes infections caused by the protozoan Toxoplasma gondii, including ocular toxoplasmosis, cerebral toxoplasmosis, disseminated infections, and other specified or unspecified manifestations. These ICD-10-CM diagnosis codes are used to document clinical scenarios that capture disease severity, organ system involvement, and complications such as central nervous system or ocular disease. Accurate coding within the ICD-10-CM B58 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM B58: Toxoplasmosis Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification code group B58 covers infections caused by the protozoan Toxoplasma gondii affecting various organ systems. These diagnoses include ocular, cerebral, disseminated, and other specific forms of toxoplasmosis and can reflect acute or chronic infection. Accurate coding matters because it supports clinical documentation, captures disease severity and organ involvement, and informs appropriate claim processing and reimbursement.

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    When to Use

    Use a code from this group when clinical documentation confirms toxoplasmosis and specifies the affected organ system or whether the infection is disseminated. Choose the most specific code available to reflect severity, site of infection, and any associated complications.

    ICD-10-CM Codes

    11 rows

    ICD-10-CM CodeDescription
    B58.00Toxoplasma oculopathy, unspecified
    B58.01Toxoplasma chorioretinitis
    B58.09Other toxoplasma oculopathy
    B58.1Toxoplasma hepatitis
    B58.2Toxoplasma meningoencephalitis
    B58.3Pulmonary toxoplasmosis
    B58.81Toxoplasma myocarditis
    B58.82Toxoplasma myositis
    B58.83Toxoplasma tubulo-interstitial nephropathy
    B58.89Toxoplasmosis with other organ involvement
    B58.9Toxoplasmosis, unspecified

    DRG Codes

    24 rows

    DRG CodeDescription
    023Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Antineoplastic Implant or Epilepsy with Neurostimulator
    024Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis without MCC
    097Non-Bacterial Infection of Nervous System Except Viral Meningitis with MCC
    098Non-Bacterial Infection of Nervous System Except Viral Meningitis with CC
    099Non-Bacterial Infection of Nervous System Except Viral Meningitis without CC/MCC
    124Other Disorders of the Eye with MCC or Thrombolytic Agent
    125Other Disorders of the Eye without MCC
    177Respiratory Infections and Inflammations with MCC
    178Respiratory Infections and Inflammations with CC
    179Respiratory Infections and Inflammations without CC/MCC
    314Other Circulatory System Diagnoses with MCC
    315Other Circulatory System Diagnoses with CC
    316Other Circulatory System Diagnoses without CC/MCC
    441Disorders of Liver Except Malignancy, Cirrhosis or Alcoholic Hepatitis with MCC
    442Disorders of Liver Except Malignancy, Cirrhosis or Alcoholic Hepatitis with CC
    443Disorders of Liver Except Malignancy, Cirrhosis or Alcoholic Hepatitis without CC/MCC
    791Prematurity with Major Problems
    793Full Term Neonate with Major Problems
    867Other Infectious and Parasitic Diseases Diagnoses with MCC
    868Other Infectious and Parasitic Diseases Diagnoses with CC

    Showing 1–20 of 24

    Related Codes

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

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    ICD-10-CM Code For Plasmodium Malariae 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

    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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