N90.4
Leukoplakia of vulva
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 15 never code together
N90code
Excludes1
- anogenital (venereal) warts (A63.0)A63.0
- carcinoma in situ of vulva (D07.1)D07.1
- condyloma acuminatum (A63.0)A63.0
- current obstetric trauma (O70.-, O71.7-O71.8)O70.-O71.7-O71.8
- inflammation of vulva (N76.-)N76.-
- severe dysplasia of vulva (D07.1)D07.1
- vulvar intraepithelial neoplasm III [VIN III] (D07.1)D07.1
N00-N99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
N90.4code
Inclusion terms
- Dystrophy of vulva
- Kraurosis of vulva
- Lichen sclerosus of external female genital organs
Index entries leading here 9
- Lichen L28.0
- Breisky's disease N90.4
- Disease, diseased — see also Syndrome
- Dystrophy, dystrophia
- vulva N90.4
- Hyperkeratosis L85.9
- vulva N90.4
- Kraurosis
- vulva N90.4
- Leukokraurosis vulva (e) N90.4
- Leukoplakia
- vulva N90.4
- Vulvitis (acute) (allergic) (atrophic) (hypertrophic) (intertriginous) (senile) N76.2
- leukoplakic N90.4
Alongside this code 8 same parent — N90
N90.0 Mild vulvar dysplasia N90.1 Moderate vulvar dysplasia N90.3 Dysplasia of vulva, unspecified N90.5 Atrophy of vulva N90.6 Hypertrophy of vulva category N90.7 Vulvar cyst N90.8 Oth noninflammatory disorders of vulva and perineum category N90.9 Noninflammatory disorder of vulva and perineum, unspecified
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.