2026 ICD-10-CM Diagnosis Code N94.810Vulvar vestibulitis

ICD-10-CM CodesN00–N99N80-N98N94

ICD-10-CM N94.810
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N94.810 is a billable ICD-10-CM diagnosis code for vulvar vestibulitis. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 742 through 743, 757 through 759. Coders also document this condition as inflammation of vestibule of vulva. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified female genital disorders.

Code Identity

ICD-10-CM Code
N94.810
Billable Status
Yes — Valid for Submission
Code Describes
Vulvar vestibulitis
Short Description
Vulvar vestibulitis
Same as the full description in the CMS dataset.
Parent Code
Vulvodynia

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN80-N98Noninflammatory disorders of female genital tract
CategoryN94Pain and other conditions associated with female genital organs and menstrual cycle
This CodeN94.810Vulvar vestibulitis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Inflammation of vestibule of vulva

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Vestibulitis(ear)
      • vulvar

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR GEN025
Other specified female genital disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Vulvar Vestibulitis

    inflammation of the vulvar vestibular region at the entrance of the vagina, generally involving surface mucosa and submucosal vestibular glands. it is characterized by erythema and chronic recurrent pain in this area.

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.

Convert N94.810 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
625.71 Vulvar vestibulitis
Exact Match The mapping is direct, with no qualifiers.

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 N94.810Overview

Is N94.810 (Vulvodynia) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report vulvar vestibulitis on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does N94.810 group to?

When vulvar vestibulitis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 742, 743, 757, 758, 759, with relative weights from 0.6636 to 1.8348 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of N94.810?

Under the General Equivalence Mappings, vulvar vestibulitis converts to ICD-9-CM 625.71 (vulvar vestibulitis). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.