ICD-10 N90
Non-Billable HeaderOther noninflammatory disorders of vulva and perineum
About ICD-10-CM N90
ICD-10-CM code N90 represents Other noninflammatory disorders of vulva and perineum. This is a non-billable header code in the Genitourinary System chapter (block N90). The 2026 edition of ICD-10-CM N90 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with N90. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- 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)
Medicare LCD Coverage for N90
Local Coverage Determinations (LCDs) from CMS MACs that list N90 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing N90.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but N90 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with N90
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To N90
Other codes in section N80-N98 (Noninflammatory disorders of female genital tract).
ICD-10 N90, Billing FAQ
Is ICD-10 code N90 billable? +
No, N90 is a non-billable header code. Use a more specific child code from block N90 when submitting claims.
What codes are Type 1 Excludes for N90? +
Type 1 Excludes (never code together with N90): anogenital (venereal) warts (A63.0); carcinoma in situ of vulva (D07.1); condyloma acuminatum (A63.0)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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