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    v1.0.28
    OpenPayerBilling CodesOther disorders of kidney and ureterICD-10-CM n29-other-disorders-of-kidney-and-ureter
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    ICD-10-CM Code For Other Disorders Of Kidney And Ureter In Diseases Classified Elsewhere: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group N29 includes diagnoses for disorders of the kidney and ureter that occur as manifestations of diseases classified elsewhere, such as systemic infections, neoplasms, or metabolic disorders. These ICD-10-CM diagnosis codes are used to document secondary renal and ureteral involvement, capturing disease severity, organ involvement, or clinical complexity relevant to this group. Accurate coding within the ICD-10-CM N29 group supports proper claim adjudication and complete clinical documentation for appropriate reimbursement.

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    ICD-10-CM N29: Other Disorders Of Kidney And Ureter In Diseases Classified Elsewhere Overview

    This code group captures kidney and ureter disorders that occur as manifestations of conditions classified in other chapters of the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM). It targets renal and urinary tract complications that are secondary to systemic diseases or other primary diagnoses. Accurate coding ensures clinical records reflect the organ involvement and supports appropriate reimbursement for services related to the secondary kidney or ureter disorder.

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    When to Use

    Use a code from this group when a kidney or ureter disorder is explicitly documented as resulting from or associated with another primary disease classified elsewhere. Assign these codes alongside the primary condition to reflect secondary organ involvement and clinical complexity.

    ICD-10-CM Codes

    1 rows

    ICD-10-CM CodeDescription
    N29Other disorders of kidney and ureter 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 a history of systemic lupus erythematosus presents with worsening edema, proteinuria, and rising serum creatinine during a routine nephrology follow-up. Workup suggests immune-complex mediated kidney injury secondary to the underlying systemic disease, and the renal disorder is documented as a manifestation of the systemic condition. Typical codes: N29
    • An elderly patient hospitalized with sepsis from a urinary tract infection develops acute tubular dysfunction with oliguria and electrolyte abnormalities while on nephrotoxic antibiotics. The acute kidney involvement is recorded as a renal disorder associated with the systemic infectious process and its treatments. Typical codes: N29
    • A middle-aged patient with long-standing diabetes and hypertension is evaluated for progressive renal impairment found on outpatient labs; chart notes indicate a non-primary renal disorder attributable to the patient’s chronic systemic disease processes and comorbid conditions. Typical codes: N29

    Related Codes

    N25-DISORDERS-RESULTING-FROM-IMPAIRED-RENAL-TUBULAR-FUNCTION

    ICD-10-CM Code For Disorders Resulting From Impaired Renal Tubular Function: Group Overview

    N26-UNSPECIFIED-CONTRACTED-KIDNEY

    ICD-10-CM Code For Unspecified Contracted Kidney: Group Overview

    N27-SMALL-KIDNEY-OF-UNKNOWN-CAUSE

    ICD-10-CM Code For Small Kidney Of Unknown Cause: Group Overview

    N28-OTHER-DISORDERS-OF-KIDNEY-AND-URETER

    ICD-10-CM Code For Other Disorders Of Kidney And Ureter: 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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