2026 ICD-10-CM Diagnosis Code N90Other noninflammatory disorders of vulva and perineum

ICD-10-CM Codes›N00–N99›N80-N98›N90

ICD-10-CM N90
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N90 is a non-billable ICD-10-CM category code for other noninflammatory disorders of vulva and perineum, so it cannot be submitted on claims. Use a more specific code from this category instead, such as N90.0, N90.1, N90.3, and N90.4.

Code Identity

ICD-10-CM Code
N90
Billable Status
No — Non-Billable Category
Code Describes
Other noninflammatory disorders of vulva and perineum
Short Description
Other noninflammatory disorders of vulva and perineum
Same as the full description in the CMS dataset.
Chapter
N80-N98
Noninflammatory disorders of female genital tract

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN80-N98Noninflammatory disorders of female genital tract
CategoryN90Other noninflammatory disorders of vulva and perineum
This CodeN90Other noninflammatory disorders of vulva and perineum

Specific Coding for Other noninflammatory disorders of vulva and perineumOverview

Non-specific codes like N90 require more characters. Use one of these billable codes instead:

  • Use N90.0 for Mild vulvar dysplasia

  • Use N90.1 for Moderate vulvar dysplasia

  • Use N90.3 for Dysplasia of vulva, unspecified

  • Use N90.4 for Leukoplakia of vulva

  • Use N90.5 for Atrophy of vulva

  • N90.6 for Hypertrophy of vulva

  • Use N90.60 for Unspecified hypertrophy of vulva

  • Use N90.61 for Childhood asymmetric labium majus enlargement

  • Use N90.69 for Other specified hypertrophy of vulva

  • Use N90.7 for Vulvar cyst

  • N90.8 for Other specified noninflammatory disorders of vulva and perineum

  • N90.81 for Female genital mutilation status

  • Use N90.89 for Other specified noninflammatory disorders of vulva and perineum

  • Use N90.9 for Noninflammatory disorder of vulva and perineum, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

  • 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

Patient EducationClinical

Vulvar Disorders

The vulva is the external part of a woman's genitals. Some problems you can have with the vulvar area include:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About N90Overview

Is N90 (Other noninflammatory disorders of vulva and perineum) a billable code?

No. This is a category header that groups the codes for other noninflammatory disorders of vulva and perineum, and headers cannot be submitted on claims. Claims for other noninflammatory disorders of vulva and perineum need a more specific code from this category, such as N90.0, N90.1, and N90.3.