2027 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 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

N94.818 is a billable ICD-10-CM diagnosis code for other vulvodynia. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 742 through 743, 760 through 761. Coders also document this condition as chronic pain of vestibule of vulva provoked by contact. 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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to N94.818: its own notes plus those printed at Chapter 14. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 14 (N00-N99) Diseases of the genitourinary system applies to 838 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name N94.818, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming N94.818: they are not reported together with it, unless the two conditions are unrelated.

  • R10.2 Pelvic and perineal pain
    vulvodynia (N94.81) names N94.81, which includes this code

Excludes2 2

These codes carry an Excludes2 note naming N94.818: its condition is not part of those codes, and both may be reported when the patient has both.

  • G89 Pain, not elsewhere classified
    vulvodynia (N94.81-) names N94.81-, which includes this code
  • Block R10-R19 Symptoms and signs involving the digestive system and abdomen
    symptoms referable to female genital organs (N94.-) names N94.-, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

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 outer part of the female genitals. This includes the clitoris, vaginal lips, and the opening to the vagina. A vulvar disorder is a health problem that affects your vulva. These problems may cause pain, itching, or skin changes of the vulva. Treatment depends on the cause.

The full article covers:

  • What are vulvar disorders?
  • Who is more likely to develop vulvar disorders?
  • What are the symptoms of vulvar disorders?
  • How are vulvar disorders diagnosed?
  • What are the treatments for vulvar disorders?
  • Can vulvar disorders be prevented?

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About N94.818Overview

What is the ICD-10 code for other vulvodynia?

The ICD-10-CM code for other vulvodynia is N94.818 (sometimes written as N94818). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

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, 2026 through September 30, 2027.

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 0.7039 to 1.8448 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.