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    OpenPayerBilling CodesGlomerular diseasesICD-10-CM n08-glomerular-disorders-in-diseases-classified-elsewhere
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    ICD-10-CM Code For Glomerular Disorders In Diseases Classified Elsewhere: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group N08 includes glomerular disorders that are manifestations of diseases classified elsewhere, such as systemic autoimmune conditions and infections that involve the renal glomeruli. These ICD-10-CM diagnosis codes are used to document renal involvement secondary to another primary disease, capturing severity, organ involvement, and clinical complexity relevant to glomerular injury. Accurate coding within the ICD-10-CM N08 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM N08: Glomerular Disorders In Diseases Classified Elsewhere Overview

    This group represents glomerular disorders that occur as manifestations of systemic diseases classified elsewhere, affecting the kidney's glomeruli and often causing proteinuria, hematuria, or impaired renal function. Accurate coding captures the link between the glomerular pathology and the underlying systemic condition, reflecting organ involvement and clinical complexity. Precise documentation and coding support appropriate claim processing and reimbursement for services related to the renal complications.

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    When to Use

    Use a code from this group when documentation indicates glomerular disease is a manifestation of a systemic condition and the primary disorder is identified elsewhere in the record. Select the specific N08 code that reflects the documented glomerular lesion and link it to the appropriate code for the underlying disease classified elsewhere.

    ICD-10-CM Codes

    1 rows

    ICD-10-CM CodeDescription
    N08Glomerular disorders in diseases classified elsewhere

    DRG Codes

    3 rows

    DRG CodeDescription
    698Other Kidney and Urinary Tract Diagnoses with MCC
    699Other Kidney and Urinary Tract Diagnoses with CC
    700Other Kidney and Urinary Tract Diagnoses without CC/MCC

    Typical Clinical Scenarios

    • An adult patient with long-standing systemic lupus erythematosus presents with new onset edema, proteinuria on urinalysis, and rising serum creatinine after a recent disease flare; renal biopsy demonstrates immune complex deposition involving glomeruli in the setting of the systemic disorder, so a glomerular disease coded in the context of another systemic disease is assigned. Typical codes: N08
    • A child with a known diagnosis of Henoch–Schönlein purpura (IgA vasculitis) is admitted for acute nephritic syndrome with hematuria, hypertension, and reduced urine output following an upper respiratory infection; biopsy confirms glomerular involvement secondary to the vasculitis, prompting assignment of the glomerular disorder code linked to the systemic condition. Typical codes: N08
    • An adult with poorly controlled diabetes and diabetic retinopathy develops progressive proteinuria and is found to have superimposed membranous changes on renal biopsy attributed to a separate systemic autoimmune disorder; because the glomerular pathology is occurring in the context of another disease process, the glomerular disorder code for disease classified elsewhere is used. Typical codes: N08

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    N02-RECURRENT-AND-PERSISTENT-HEMATURIA

    ICD-10-CM Code For Recurrent And Persistent Hematuria: Group Overview

    N03-CHRONIC-NEPHRITIC-SYNDROME

    ICD-10-CM Code For Chronic Nephritic Syndrome: Group Overview

    N04-NEPHROTIC-SYNDROME

    ICD-10-CM Code For Nephrotic Syndrome: Group Overview

    N05-UNSPECIFIED-NEPHRITIC-SYNDROME

    ICD-10-CM Code For Unspecified Nephritic Syndrome: Group Overview

    N06-ISOLATED-PROTEINURIA-WITH-LESION

    ICD-10-CM Code For Isolated Proteinuria With Specified Morphological Lesion: Group Overview

    N07-HEREDITARY-NEPHROPATHY-NOT-ELSEWHERE-CLASSIFIED

    ICD-10-CM Code For Hereditary Nephropathy Not Elsewhere Classified: 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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