2026 ICD-10-CM Diagnosis Code N94.818Other vulvodynia

ICD-10-CM Codes›N00–N99›N80-N98›N94

ICD-10-CM N94.818
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N94.818 is a billable ICD-10-CM diagnosis code for other vulvodynia. 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, 760 through 761. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified female genital disorders.

Code Identity

ICD-10-CM Code
N94.818
Billable Status
Yes — Valid for Submission
Code Describes
Other vulvodynia
Short Description
Other vulvodynia
Same as the full description in the CMS dataset.
Parent Code
N94.81
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 CodeN94.818Other vulvodynia

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Chronic pain of vestibule of vulva provoked by contact
  • Essential vulvodynia
  • Idiopathic vulvodynia
  • Pain in female perineum
  • Pelvic and perineal pain
  • Vaginal pain
  • Vestibulodynia
  • Vulval pain
  • Vulvodynia
  • Vulvovaginal pain

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.

    • Vulvodynia
      • specified NEC

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

  • Vulvodynia

    complex pain syndrome with unknown etiology, characterized by constant or intermittent generalized vulva pain (generalized vulvodynia) or localized burning sensations in the vestibule area when pressure is applied (vestibulodynia, or vulvar vestibulitis syndrome). typically, vulvar tissue with vulvodynia appears normal without infection or skin disease. vulvodynia impacts negatively on a woman's quality of life as it interferes with sexual and daily activities.

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 N94.818 to ICD-9-CMHistory

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

ICD-9-CM
625.79 Other vulvodynia
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 N94.818Overview

Is N94.818 (Vulvodynia) a billable code?

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

What MS-DRG does N94.818 group to?

When other vulvodynia is the principal diagnosis on an inpatient stay, it groups to MS-DRG 742, 743, 760, 761, with relative weights from 0.5696 to 1.8348 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of N94.818?

Under the General Equivalence Mappings, other vulvodynia converts to ICD-9-CM 625.79 (other vulvodynia). 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.