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    v1.0.28
    OpenPayerBilling CodesDiseases of male genital organsICD-10-CM n43-hydrocele-and-spermatocele
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    ICD-10-CM Code For Hydrocele And Spermatocele: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group N43 includes hydrocele and spermatocele diagnoses, covering fluid-filled sacs around the testicle or epididymal cysts. These ICD-10-CM diagnosis codes are used to document scrotal swelling, presence of fluid collections or cystic lesions, and associated symptoms or complications such as pain or infection. Accurate coding within the ICD-10-CM N43 group supports proper claim adjudication and complete clinical documentation for encounters involving these conditions.

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    ICD-10-CM N43: Hydrocele And Spermatocele Overview

    The ICD-10-CM N43 group includes diagnoses for abnormal fluid or cystic collections associated with the scrotum and epididymis, specifically hydrocele and spermatocele. These conditions affect the male reproductive system and can cause scrotal swelling, discomfort, or fertility concerns. Accurate coding matters for appropriate claim adjudication and to reflect the clinical complexity of the encounter.

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    When to Use

    Use a code from the ICD-10-CM N43 group when documentation identifies a hydrocele or spermatocele as the reason for the encounter, evaluation, or treatment. Select the specific code that reflects laterality, acute or chronic status, and any associated complications as documented in the medical record.

    ICD-10-CM Codes

    7 rows

    ICD-10-CM CodeDescription
    N43.0Encysted hydrocele
    N43.1Infected hydrocele
    N43.2Other hydrocele
    N43.3Hydrocele, unspecified
    N43.40Spermatocele of epididymis, unspecified
    N43.41Spermatocele of epididymis, single
    N43.42Spermatocele of epididymis, multiple

    DRG Codes

    4 rows

    DRG CodeDescription
    727Inflammation of the Male Reproductive System with MCC
    728Inflammation of the Male Reproductive System without MCC
    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 the emergency department with sudden-onset, severe unilateral scrotal swelling and aching after straining; physical exam reveals a tense, transilluminant scrotal mass that is non-reducible and separate from the testis, and ultrasound confirms fluid around the testicle without signs of hernia. Because this is a new, symptomatic fluid collection consistent with a hydrocele, an acute hydrocele diagnosis from this group is assigned. Typical codes: N43.0, N43.2
    • An adolescent male is evaluated in primary care for a painless, slowly enlarging scrotal mass present for months; exam shows a fluctuant, transilluminating paratesticular cyst near the epididymal head consistent with a spermatocele and ultrasound confirms a well-defined epididymal cyst. This chronic, non-emergent epididymal cyst is coded as a spermatocele from this group for outpatient management and possible elective referral. Typical codes: N43.3, N43.41
    • An elderly man with a history of prior inguinal surgery and chronic scrotal swelling reports discomfort and recurrent infections in the scrotum; examination and imaging demonstrate a communicating hydrocele with thickened sac and intermittent incarceration of fluid, complicating his surgical history. Because the fluid collection communicates with the peritoneal cavity or presents as a recurrent/complicated hydrocele after prior repair, a specific hydrocele code from this group is used. Typical codes: N43.1, N43.42

    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

    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

    N51-DISORDERS-OF-MALE-GENITAL-ORGANS

    ICD-10-CM Code For Disorders Of Male Genital Organs In Diseases Classified Elsewhere: Group Overview

    Showing 1–10 of 12

    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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