2027 ICD-10-CM Diagnosis Code N90.7Vulvar cyst

ICD-10-CM Codes›N00–N99›N80-N98›N90

ICD-10-CM N90.7
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

N90.7 is a billable ICD-10-CM diagnosis code for vulvar cyst. 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 cyst of vulva. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified female genital disorders.

Code Identity

ICD-10-CM Code
N90.7
Billable Status
Yes — Valid for Submission
Code Describes
Vulvar cyst
Short Description
Vulvar cyst
Same as the full description in the CMS dataset.
Parent Code
N90
Other noninflammatory disorders of vulva and perineum

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN80-N98Noninflammatory disorders of female genital tract
CategoryN90Other noninflammatory disorders of vulva and perineum
This CodeN90.7Vulvar cyst

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Cyst of vulva
  • Labial cyst

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to N90.7: its own notes plus those printed at N90 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 N90 Other noninflammatory disorders of vulva and perineum applies to 16 codes
  • 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)

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.

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

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 N90.7 to ICD-9-CMHistory

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

ICD-9-CM
624.8 Noninflam dis vulva NEC
Approximate The match is approximate rather than exact.

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 N90.7Overview

What is the ICD-10 code for vulvar cyst?

The ICD-10-CM code for vulvar cyst is N90.7 (sometimes written as N907). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is N90.7 (Other noninflammatory disorders of vulva and perineum) a billable code?

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

What MS-DRG does N90.7 group to?

When vulvar cyst 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 N90.7 be reported with A63.0?

Not as a rule. The Excludes1 note at N90, which applies to N90.7, lists "anogenital (venereal) warts (A63.0)". 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).

What is the ICD-9 equivalent of N90.7?

Under the General Equivalence Mappings, vulvar cyst converts to ICD-9-CM 624.8 (noninflam dis vulva NEC). The mapping is approximate, so confirm the match fits the documentation.