N90
ICD-10Non-billable categoryOther noninflammatory disorders of vulva and perineum
Official ICD-10-CM descriptor (FY2026)
Other noninflammatory disorders of vulva and perineum
N90 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- 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)
More specific codes under N90
- N90.0Mild vulvar dysplasia
- N90.1Moderate vulvar dysplasia
- N90.3Dysplasia of vulva, unspecified
- N90.4Leukoplakia of vulva
- N90.5Atrophy of vulva
- N90.6Hypertrophy of vulvacategory
- N90.7Vulvar cyst
- N90.8Oth noninflammatory disorders of vulva and perineumcategory
- N90.9Noninflammatory disorder of vulva and perineum, unspecified
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.