N90Header code — not billable
Other noninflammatory disorders of vulva and perineum
- Chapter
- 14. Diseases of the genitourinary system
- Category
- N90
- Effective date
- October 1, 2026
Related codes in category N90
N90.0Mild vulvar dysplasiaYesN90.1Moderate vulvar dysplasiaYesN90.3Dysplasia of vulva, unspecifiedYesN90.4Leukoplakia of vulvaYesN90.5Atrophy of vulvaYesN90.6Hypertrophy of vulvaN90.60Unspecified hypertrophy of vulvaYesN90.61Childhood asymmetric labium majus enlargementYesN90.69Other specified hypertrophy of vulvaYesN90.7Vulvar cystYesN90.8Oth noninflammatory disorders of vulva and perineumN90.81Female genital mutilation status
Frequently asked questions
What is ICD-10 code N90?
N90 is an ICD-10-CM diagnosis code for Other noninflammatory disorders of vulva and perineum.
Is N90 a billable code?
No. N90 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is N90 in?
N90 falls under Chapter 14: Diseases of the genitourinary system.
When did N90 become effective?
N90 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to N90?
N90 belongs to category N90, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.