N90 Other noninflammatory disorders of vulva and perineum

Category / Non-billable header 19 subcodes

Block: Noninflammatory disorders of female genital tract (N80-N98)

Excludes 1 (cannot be coded together)

  • anogenital (venereal) warts (A63.0)
  • carcinoma in situ of vulva (D07.1)
  • condyloma acuminatum (A63.0)
  • current obstetric trauma (O70.-, O71.7-O71.8)
  • inflammation of vulva (N76.-)
  • severe dysplasia of vulva (D07.1)
  • vulvar intraepithelial neoplasm III [VIN III] (D07.1)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
N90..0 Mild vulvar dysplasia Yes
N90..1 Moderate vulvar dysplasia Yes
N90..3 Dysplasia of vulva, unspecified Yes
N90..4 Leukoplakia of vulva Yes
N90..5 Atrophy of vulva Yes
N90..6 Hypertrophy of vulva No
N90..60 Unspecified hypertrophy of vulva Yes
N90..61 Childhood asymmetric labium majus enlargement Yes
N90..69 Other specified hypertrophy of vulva Yes
N90..7 Vulvar cyst Yes
N90..8 Other specified noninflammatory disorders of vulva and perineum No
N90..81 Female genital mutilation status No
N90..810 Female genital mutilation status, unspecified Yes
N90..811 Female genital mutilation Type I status Yes
N90..812 Female genital mutilation Type II status Yes
N90..813 Female genital mutilation Type III status Yes
N90..818 Other female genital mutilation status Yes
N90..89 Other specified noninflammatory disorders of vulva and perineum Yes
N90..9 Noninflammatory disorder of vulva and perineum, unspecified Yes

Last reviewed: September 2026