N90 Other noninflammatory disorders of vulva and perineum

Not billable (header)Chapter 14

Report one of the more specific codes below.

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Codes under this one

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
N90.6 Hypertrophy of vulvaHeader
N90.7 Vulvar cyst
N90.8 Other specified noninflammatory disorders of vulva and perineumHeader
N90.9 Noninflammatory disorder of vulva and perineum, unspecified

Instructional notes

Chapter 14

Excludes2Not included here: the patient may have both; report both when both are present.

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)

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.

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)

Chapter 14: Diseases of the genitourinary system · N80-N98 Noninflammatory disorders of female genital tract (N80-N98)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.