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    v1.0.28
    OpenPayerBilling CodesDiseases of male genital organsICD-10-CM n51-disorders-of-male-genital-organs
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    ICD-10-CM Code For Disorders Of Male Genital Organs In Diseases Classified Elsewhere: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group N51 includes diagnoses for disorders of male genital organs that occur in the context of diseases classified elsewhere, such as testicular, scrotal, or penile involvement secondary to systemic conditions. These ICD-10-CM diagnosis codes are used to document clinical scenarios where the genital manifestation is related to another primary disease, capturing organ involvement and clinical complexity. Accurate coding within the ICD-10-CM N51 group supports proper claim adjudication and complete clinical documentation.

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    ICD-10-CM N51: Disorders Of Male Genital Organs In Diseases Classified Elsewhere Overview

    This group contains diagnoses for male genital organ disorders that occur as manifestations of systemic or other classified diseases, affecting structures such as the testes, scrotum, penis, or related tissues. It targets male reproductive and urogenital systems and clarifies that the primary disease may be classified elsewhere. Accurate coding matters for correct clinical representation and reimbursement because it links the genital manifestation to the underlying systemic condition.

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    When to Use

    Use a code from this group when a male genital organ disorder is documented as secondary to or resulting from a disease classified elsewhere. Select these codes to link the genital manifestation to the primary diagnosis and reflect the clinical relationship in documentation and billing.

    ICD-10-CM Codes

    1 rows

    ICD-10-CM CodeDescription
    N51Disorders of male genital organs in diseases classified elsewhere

    DRG Codes

    2 rows

    DRG CodeDescription
    729Other Male Reproductive System Diagnoses with CC/MCC
    730Other Male Reproductive System Diagnoses without CC/MCC

    Typical Clinical Scenarios

    • A middle-aged man presents to primary care with chronic pelvic pain, perineal discomfort, and ejaculatory pain that have persisted for several months despite prior antibiotic trials; workup shows no ongoing urinary tract infection but symptoms are attributed to chronic inflammatory changes of the accessory male genital organs, so a diagnosis from this group is assigned to capture the genital organ disorder as part of his ongoing management. Typical codes: N51
    • A young man presents to the emergency department after a sports injury with acute scrotal pain and swelling; evaluation excludes testicular torsion and imaging suggests trauma-related involvement of male accessory genital structures, leading clinicians to document a disorder of male genital organs in the record for acute care and follow-up. Typical codes: N51
    • An older man with diagnosed systemic autoimmune disease develops infertility and sexual dysfunction related to involvement of male genital organs identified on specialist evaluation; the genital organ disorder is coded to reflect the comorbid contribution of these organ changes to his overall disease burden and treatment planning. Typical codes: N51

    Related Codes

    N40-BENIGN-PROSTATIC-HYPERPLASIA

    ICD-10-CM Code For Benign Prostatic Hyperplasia: Group Overview

    N42-OTHER-AND-UNSPECIFIED-PROSTATE-DISORDERS

    ICD-10-CM Code For Other And Unspecified Disorders Of Prostate: Group Overview

    N43-HYDROCELE-AND-SPERMATOCELE

    ICD-10-CM Code For Hydrocele And Spermatocele: Group Overview

    N44-NONINFLAMMATORY-DISORDERS-OF-TESTIS

    ICD-10-CM Code For Noninflammatory Disorders Of Testis: Group Overview

    N45-ORCHITIS-AND-EPIDIDYMITIS

    ICD-10-CM Code For Orchitis And Epididymitis: Group Overview

    N46-MALE-INFERTILITY

    ICD-10-CM Code For Male Infertility: Group Overview

    N47-DISORDERS-OF-PREPUCE

    ICD-10-CM Code For Disorders Of Prepuce: Group Overview

    N48-OTHER-DISORDERS-OF-PENIS

    ICD-10-CM Code For Other Disorders Of Penis: Group Overview

    N49-INFLAMMATORY-DISORDERS-MALE-GENITAL

    ICD-10-CM Code For Inflammatory Disorders Of Male Genital Organs, Not Elsewhere Classified: Group Overview

    N50-OTHER-AND-UNSPECIFIED-MALE-GENITAL-DISORDERS

    ICD-10-CM Code For Other And Unspecified Disorders Of Male Genital Organs: Group Overview

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    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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