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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  • N85.2—

    Hypertrophy of uterus

  • N85.3—

    Subinvolution of uterus

  • N85.4—

    Malposition of uterus

  • N85.5—

    Inversion of uterus

  • N85.6—

    Intrauterine synechiae

  • N85.7—

    Hematometra

  • N85.8—

    Other specified noninflammatory disorders of uterus

  • N85.9—

    Noninflammatory disorder of uterus, unspecified

  • N85.A—

    Isthmocele

  • N86—

    Erosion and ectropion of cervix uteri

  • N87.0—

    Mild cervical dysplasia

  • N87.1—

    Moderate cervical dysplasia

  • N87.9—

    Dysplasia of cervix uteri, unspecified

  • N88.0—

    Leukoplakia of cervix uteri

  • N88.1—

    Old laceration of cervix uteri

  • N88.2—

    Stricture and stenosis of cervix uteri

  • N88.3—

    Incompetence of cervix uteri

  • N88.4—

    Hypertrophic elongation of cervix uteri

  • N88.8—

    Other specified noninflammatory disorders of cervix uteri

  • N88.9—

    Noninflammatory disorder of cervix uteri, unspecified

  • N89.0—

    Mild vaginal dysplasia

  • N89.1—

    Moderate vaginal dysplasia

  • N89.3—

    Dysplasia of vagina, unspecified

  • N89.4—

    Leukoplakia of vagina

  • N89.5—

    Stricture and atresia of vagina

  • N89.6—

    Tight hymenal ring

  • N89.7—

    Hematocolpos

  • N89.8—

    Other specified noninflammatory disorders of vagina

  • N89.9—

    Noninflammatory disorder of vagina, unspecified

  • N90.0—

    Mild vulvar dysplasia

  • N90.1—

    Moderate vulvar dysplasia

  • N90.3—

    Dysplasia of vulva, unspecified

  • N90.4—

    Leukoplakia of vulva

  • N90.5—

    Atrophy of vulva

  • N90.60—

    Unspecified hypertrophy of vulva

  • N90.61—

    Childhood asymmetric labium majus enlargement

  • N90.69—

    Other specified hypertrophy of vulva

  • N90.7—

    Vulvar cyst

  • N90.810—

    Female genital mutilation status, unspecified

  • N90.811—

    Female genital mutilation Type I status

  • N90.812—

    Female genital mutilation Type II status

  • N90.813—

    Female genital mutilation Type III status

  • N90.818—

    Other female genital mutilation status

  • N90.89—

    Other specified noninflammatory disorders of vulva and perineum

  • N90.9—

    Noninflammatory disorder of vulva and perineum, unspecified

  • N91.0—

    Primary amenorrhea

  • N91.1—

    Secondary amenorrhea

  • N91.2—

    Amenorrhea, unspecified

  • N91.3—

    Primary oligomenorrhea

  • N91.4—

    Secondary oligomenorrhea

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