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    v1.0.28
    OpenPayerBilling CodesSuppurative and necrotic conditions of the lower respiratory tractICD-10-CM j85-abscess-of-lung-and-mediastinum
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    ICD-10-CM Code For Abscess Of Lung And Mediastinum: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group J85 includes diagnoses for pulmonary and mediastinal abscesses, covering lung parenchymal abscesses, cavitary necrosis due to infection, and mediastinal suppuration. These ICD-10-CM diagnosis codes are used to document clinical scenarios with localized purulent infection in the lower respiratory tract, capturing disease severity, anatomic involvement, and complications such as necrosis or empyema. Accurate coding within the ICD-10-CM J85 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM J85: Abscess Of Lung And Mediastinum Overview

    This group captures diagnoses for suppurative and necrotic infections forming localized collections of pus within the lung parenchyma or the mediastinal space. It targets lower respiratory tract infections complicated by abscess formation and mediastinal involvement, including associated necrosis. Accurate coding matters because it reflects clinical severity and supports appropriate claim adjudication and clinical documentation for care episodes.

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    When to Use

    Use a code from this group when documentation indicates a pulmonary or mediastinal abscess, cavitation with purulent contents, or mediastinal infection. Codes from this group should be selected when the clinical record specifies abscess formation, necrosis, or related suppurative complications of the lower respiratory tract.

    ICD-10-CM Codes

    4 rows

    ICD-10-CM CodeDescription
    J85.0Gangrene and necrosis of lung
    J85.1Abscess of lung with pneumonia
    J85.2Abscess of lung without pneumonia
    J85.3Abscess of mediastinum

    DRG Codes

    5 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

    Related Codes

    J86-PYOTHORAX-PLEURAL-EMPYEMA

    ICD-10-CM Code For Pyothorax: 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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