N90.4

Leukoplakia of vulva

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · N90.4
Synonyms

Dystrophy of vulva Kraurosis of vulva Lichen sclerosus of external female genital organs

Inherited from N90Other noninflammatory disorders of vulva and perineum
Excludes 1

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)

Inherited from chapter 14Diseases of the genitourinary system
Excludes 2

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)

Official Guidelines for N90.4

FY 2026 ›
I.C.14Chapter-specific guidanceChapter 14: Diseases of Genitourinary System (N00-N99)

Subsections

Find N90.4 in the alphabetic index

11 index paths lead to this code