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    v1.0.28
    OpenPayerBilling CodesMycosesICD-10-CM b39-histoplasmosis
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    ICD-10-CM Code For Histoplasmosis: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group B39 includes diagnoses for histoplasmosis, covering pulmonary, disseminated, and other organ-specific manifestations caused by Histoplasma species. These ICD-10-CM diagnosis codes are used to document clinical scenarios such as acute pulmonary infection, chronic pulmonary disease, or disseminated infection involving extrapulmonary sites, capturing disease severity and organ involvement. Accurate coding within the ICD-10-CM B39 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM B39: Histoplasmosis Overview

    The ICD-10-CM B39 group represents diagnoses for histoplasmosis, a fungal infection primarily affecting the lungs but capable of disseminating to other organs. These codes target infections caused by Histoplasma species and related manifestations in respiratory, systemic, and immunocompromised contexts. Accurate coding matters for appropriate claim processing and reflecting disease severity for reimbursement.

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    When to Use

    Use a code from this group when clinical documentation indicates histoplasmosis confirmed by laboratory testing, culture, histopathology, or strong clinical evidence. Select the code that best matches the site of infection and whether the disease is acute, chronic, or disseminated to capture severity and organ involvement.

    ICD-10-CM Codes

    7 rows

    ICD-10-CM CodeDescription
    B39.0Acute pulmonary histoplasmosis capsulati
    B39.1Chronic pulmonary histoplasmosis capsulati
    B39.2Pulmonary histoplasmosis capsulati, unspecified
    B39.3Disseminated histoplasmosis capsulati
    B39.4Histoplasmosis capsulati, unspecified
    B39.5Histoplasmosis duboisii
    B39.9Histoplasmosis, unspecified

    DRG Codes

    11 rows

    DRG CodeDescription
    177Respiratory Infections and Inflammations with MCC
    178Respiratory Infections and Inflammations with CC
    179Respiratory Infections and Inflammations 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
    869Other Infectious and Parasitic Diseases Diagnoses without CC/MCC
    974HIV with Major Related Condition with MCC
    975HIV with Major Related Condition with CC
    976HIV with Major Related Condition without CC/MCC

    Related Codes

    B35-DERMATOPHYTOSIS

    ICD-10-CM Code For Dermatophytosis: Group Overview

    B36-OTHER-SUPERFICIAL-MYCOSES

    ICD-10-CM Code For Other Superficial Mycoses: Group Overview

    B37-CANDIDIASIS

    ICD-10-CM Code For Candidiasis: Group Overview

    B38-COCCIDIOIDOMYCOSIS

    ICD-10-CM Code For Coccidioidomycosis: Group Overview

    B41-PARACOCCIDIOIDOMYCOSIS

    ICD-10-CM Code For Paracoccidioidomycosis: Group Overview

    B42-SPOROTRICHOSIS-INFECTION

    ICD-10-CM Code For Sporotrichosis: Group Overview

    B43-CHROMOMYCOSIS-AND-PHEOMYCOTIC-ABSCESS

    ICD-10-CM Code For Chromomycosis And Pheomycotic Abscess: Group Overview

    B44-ASPERGILLOSIS

    ICD-10-CM Code For Aspergillosis: Group Overview

    B45-CRYPTOCOCCOSIS

    ICD-10-CM Code For Cryptococcosis: Group Overview

    B46-ZYGOMYCOSIS

    ICD-10-CM Code For Zygomycosis: Group Overview

    Showing 1–10 of 13

    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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