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N90

Non-billable

Other noninflammatory disorders of vulva and perineum

N90 is the ICD-10-CM code for Other noninflammatory disorders of vulva and perineum. It is a non-billable category code — use a more specific child code such as N90.0 for billing.

Status
Header (non-billable)
Chapter
N00-N99
Subcodes
9
Edition
FY2026

N00-N99 Diseases of the genitourinary system

What this means — in plain language

MedlinePlus · NIH

The vulva is the external part of a woman's genitals. Some problems you can have with the vulvar area include: Vaginitis or vulvovaginitis, swelling or infection of the vulva and vagina Skin problems due to allergy Vulvar cancer Vulvodynia, or vulvar pain Symptoms may include redness, itching, pain, or cracks in the skin. Treatment depends on the cause.

Read more about Vulvar Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • •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)

Frequently asked questions

What is ICD-10 code N90?
N90 is the ICD-10-CM code for "Other noninflammatory disorders of vulva and perineum". It falls under N00-N99 Diseases of the genitourinary system.
Is N90 a billable code?
No — N90 is a non-billable header code. Use a more specific child code (such as N90.0) for billing.
What are the subcodes of N90?
N90 has 9 more specific child codes, including N90.0, N90.1, N90.3.
What is excluded from N90?
Excludes1 (not coded here): anogenital (venereal) warts (A63.0); carcinoma in situ of vulva (D07.1); condyloma acuminatum (A63.0); current obstetric trauma (O70.-, O71.7-O71.8).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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