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    v1.0.28
    OpenPayerBilling CodesDisorders of other endocrine glandsICD-10-CM e29-testicular-dysfunction
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    ICD-10-CM Code For Testicular Dysfunction: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group E29 includes disorders of testicular function such as primary and secondary hypogonadism, testicular failure, and other endocrine-related testicular conditions that affect hormone production and reproductive capability. These ICD-10-CM diagnosis codes are used to document clinical scenarios involving decreased testosterone production, infertility evaluations, or testicular endocrine insufficiency, capturing disease severity and organ involvement relevant to this group. Accurate coding within the ICD-10-CM E29 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM E29: Testicular Dysfunction Overview

    The ICD-10-CM E29 group covers disorders of testicular function, including primary and secondary hypogonadism and other forms of testicular dysfunction that affect endocrine and reproductive systems. These diagnoses target the male gonadal endocrine system and can reflect hormonal deficiency, infertility-related issues, or testicular failure. Accurate coding matters for proper clinical documentation and supports appropriate reimbursement for services related to diagnosis and management.

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    When to Use

    Use a code from this group when a clinical assessment identifies testicular endocrine dysfunction such as low testosterone, documented hypogonadism, or testicular failure. Codes in this group are appropriate for visits focused on diagnosis, evaluation of infertility related to testicular dysfunction, and management of hormone deficiency.

    ICD-10-CM Codes

    4 rows

    ICD-10-CM CodeDescription
    E29.0Testicular hyperfunction
    E29.1Testicular hypofunction
    E29.8Other testicular dysfunction
    E29.9Testicular dysfunction, unspecified

    DRG Codes

    3 rows

    DRG CodeDescription
    643Endocrine Disorders with MCC
    644Endocrine Disorders with CC
    645Endocrine Disorders without CC/MCC

    Typical Clinical Scenarios

    • A middle-aged man presents to primary care with progressive low libido, erectile dysfunction, decreased muscle mass, and fatigue over several months. Laboratory testing shows low total testosterone with elevated luteinizing hormone, and physical exam notes small, soft testes consistent with primary testicular failure; a diagnosis from this group is assigned to capture testicular hypofunction as the underlying endocrine cause. Typical codes: E29.1.
    • A young adult male is seen in the emergency department after an acute scrotal trauma from a sports injury; he has severe unilateral testicular pain and swelling. Imaging and exam reveal traumatic testicular damage with resulting decreased testicular function identified on follow-up endocrine evaluation, prompting assignment of a code from this group to document acquired testicular dysfunction secondary to trauma. Typical codes: E29.8, E29.9.
    • An adolescent with a history of bilateral cryptorchidism repaired in childhood presents for endocrine follow-up for delayed puberty and impaired spermatogenesis. Ongoing endocrine assessment shows chronic testicular insufficiency affecting growth and fertility, and a code from this group is used to capture chronic testicular dysfunction as a comorbidity impacting management. Typical codes: E29.0, E29.1.

    Related Codes

    E20-HYPOPARATHYROIDISM

    ICD-10-CM Code For Hypoparathyroidism: Group Overview

    E21-HYPERPARATHYROIDISM-AND-PARATHYROID-DISORDERS

    ICD-10-CM Code For Hyperparathyroidism And Other Disorders Of Parathyroid Gland: Group Overview

    E22-HYPERFUNCTION-OF-PITUITARY-GLAND

    ICD-10-CM Code For Hyperfunction Of Pituitary Gland: Group Overview

    E23-HYPOFUNCTION-OF-PITUITARY-GLAND

    ICD-10-CM Code For Hypofunction And Other Disorders Of The Pituitary Gland: Group Overview

    E24-CUSHINGS-SYNDROME

    ICD-10-CM Code For Cushing's Syndrome: Group Overview

    E25-ADRENOGENITAL-DISORDERS

    ICD-10-CM Code For Adrenogenital Disorders: Group Overview

    E26-HYPERALDOSTERONISM

    ICD-10-CM Code For Hyperaldosteronism: Group Overview

    E27-OTHER-DISORDERS-OF-ADRENAL-GLAND

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

    E28-OVARIAN-DYSFUNCTION

    ICD-10-CM Code For Ovarian Dysfunction: Group Overview

    E31-POLYGLANDULAR-DYSFUNCTION

    ICD-10-CM Code For Polyglandular Dysfunction: 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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