All ICD10 Codes
Chapter 14

N00–N99: Diseases of the Genitourinary System

Diseases of the Genitourinary System diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
All CodesBillable Only
Internal Codes
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  • N42.3—

    Dysplasia of prostate

  • N42.30—

    Unspecified dysplasia of prostate

  • N42.31—

    Prostatic intraepithelial neoplasia

  • N42.32—

    Atypical small acinar proliferation of prostate

  • N42.39—

    Other dysplasia of prostate

  • N42.8—

    Other specified disorders of prostate

  • N42.81—

    Prostatodynia syndrome

  • N42.82—

    Prostatosis syndrome

  • N42.83—

    Cyst of prostate

  • N42.89—

    Other specified disorders of prostate

  • N42.9—

    Disorder of prostate, unspecified

  • N43—

    Hydrocele and spermatocele

  • N43.0—

    Encysted hydrocele

  • N43.1—

    Infected hydrocele

  • N43.2—

    Other hydrocele

  • N43.3—

    Hydrocele, unspecified

  • N43.4—

    Spermatocele of epididymis

  • N43.40—

    Spermatocele of epididymis, unspecified

  • N43.41—

    Spermatocele of epididymis, single

  • N43.42—

    Spermatocele of epididymis, multiple

  • N44—

    Noninflammatory disorders of testis

  • N44.0—

    Torsion of testis

  • N44.00—

    Torsion of testis, unspecified

  • N44.01—

    Extravaginal torsion of spermatic cord

  • N44.02—

    Intravaginal torsion of spermatic cord

  • N44.03—

    Torsion of appendix testis

  • N44.04—

    Torsion of appendix epididymis

  • N44.1—

    Cyst of tunica albuginea testis

  • N44.2—

    Benign cyst of testis

  • N44.8—

    Other noninflammatory disorders of the testis

  • N45—

    Orchitis and epididymitis

  • N45.1—

    Epididymitis

  • N45.2—

    Orchitis

  • N45.3—

    Epididymo-orchitis

  • N45.4—

    Abscess of epididymis or testis

  • N46—

    Male infertility

  • N46.0—

    Azoospermia

  • N46.01—

    Organic azoospermia

  • N46.02—

    Azoospermia due to extratesticular causes

  • N46.021—

    Azoospermia due to drug therapy

  • N46.022—

    Azoospermia due to infection

  • N46.023—

    Azoospermia due to obstruction of efferent ducts

  • N46.024—

    Azoospermia due to radiation

  • N46.025—

    Azoospermia due to systemic disease

  • N46.029—

    Azoospermia due to other extratesticular causes

  • N46.1—

    Oligospermia

  • N46.11—

    Organic oligospermia

  • N46.12—

    Oligospermia due to extratesticular causes

  • N46.121—

    Oligospermia due to drug therapy

  • N46.122—

    Oligospermia due to infection

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