2027 ICD-10-CM Diagnosis Code N76.6Ulceration of vulva

ICD-10-CM Codes›N00–N99›N70-N77›N76

ICD-10-CM N76.6
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

N76.6 is a billable ICD-10-CM diagnosis code for ulceration of vulva. 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. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Inflammatory diseases of female pelvic organs.

This medical diagnosis code is frequently used in OB/GYN medical specialties to designate conditions such inflammation of vagina and vulva.

Code Identity

ICD-10-CM Code
N76.6
Billable Status
Yes — Valid for Submission
Code Describes
Ulceration of vulva
Short Description
Ulceration of vulva
Same as the full description in the CMS dataset.
Parent Code
N76
Other inflammation of vagina and vulva

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN70-N77Inflammatory diseases of female pelvic organs
CategoryN76Other inflammation of vagina and vulva
This CodeN76.6Ulceration of vulva

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Erosion of vulvar labia
  • Erosive vulvitis
  • MAGIC syndrome
  • Non-infective ulcerative disorder of female genitalia
  • Recurrent ulcer of mouth
  • Superficial ulcer of genital labium
  • Sutton's ulcer
  • Ulcer of female genital organ
  • Ulcer of genital labium
  • Ulcer of genital organ
  • Ulcer of vulva
  • Ulcer of vulva and vagina
  • Ulcus vulvae acutum
  • Vaginal ulcer
  • Vulval aphthosis
  • Vulvovaginal ulcer and inflammation

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to N76.6: its own notes plus those printed at N76, block N70-N77, and Chapter 14. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From Block N70-N77 Inflammatory diseases of female pelvic organs applies to 39 codes
  • inflammatory diseases of female pelvic organs complicating:
  • abortion or ectopic or molar pregnancy (O00-O07, O08.0)
  • pregnancy, childbirth and the puerperium (O23.-, O75.3, O85, O86.-)

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 N76 Other inflammation of vagina and vulva applies to 10 codes
  • senile (atrophic) vaginitis (N95.2)
  • vulvar vestibulitis (N94.810)
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)

Use Additional Code

Add a second code, after this one, to fully describe the condition.

From N76 Other inflammation of vagina and vulva applies to 10 codes
  • code (B95-B97), to identify infectious agent

Code Also

A second code may be needed to fully describe the condition; the note gives no sequencing direction.

From Block N70-N77 Inflammatory diseases of female pelvic organs applies to 39 codes
  • if applicable, pelvic abscess (K6A.0-)

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

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name N76.6, its category, or a range that includes it.

Excludes1 2

These codes carry an Excludes1 note naming N76.6: they are not reported together with it, unless the two conditions are unrelated.

  • N89 Other noninflammatory disorders of vagina
    inflammation of vagina (N76.-) names N76.-, which includes this code
  • N90 Other noninflammatory disorders of vulva and perineum
    inflammation of vulva (N76.-) names N76.-, 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 GEN018
Inflammatory diseases of female pelvic organs
Default principal diagnosis: inpatient Yes · outpatient Yes

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 N76.6 to ICD-9-CMHistory

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

ICD-9-CM
616.50 Ulceration of vulva NOS
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 N76.6Overview

What is the ICD-10 code for ulceration of vulva?

The ICD-10-CM code for ulceration of vulva is N76.6 (sometimes written as N766). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is N76.6 (Other inflammation of vagina and vulva) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report ulceration of vulva on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does N76.6 group to?

When ulceration of vulva 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.

Can N76.6 be reported with O08.0?

Not as a rule. The Excludes1 note at block N70-N77, which applies to N76.6, lists "abortion or ectopic or molar pregnancy (O00-O07, O08.0)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

Does N76.6 need an additional code?

When the condition applies, yes. The Use Additional Code note at N76, which applies to N76.6, reads: code (B95-B97), to identify infectious agent. The additional code is reported after N76.6.