U.S. ICD-10-CM · FY 2027

N90 ICD-10-CM Code: Other noninflammatory disorders of vulva and perineum

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

N90

Other noninflammatory disorders of vulva and perineum

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where N90 sits

  1. 1

    Chapter 14

    Diseases of the genitourinary system (N00-N99)

  2. 2

    Section

    Noninflammatory disorders of female genital tract (N80-N98)

  3. 3

    Category N90

    Other noninflammatory disorders of vulva and perineum

  4. 4

    Code N90

    Other noninflammatory disorders of vulva and perineum

More specific choices

Codes under N90

N90 is a non-billable category. Choose the child code that best matches the documented diagnosis.

N90.0

Mild vulvar dysplasia

N90.1

Moderate vulvar dysplasia

N90.3

Dysplasia of vulva, unspecified

N90.4

Leukoplakia of vulva

N90.5

Atrophy of vulva

N90.6

Hypertrophy of vulva

N90.7

Vulvar cyst

N90.8

Other specified noninflammatory disorders of vulva and perineum

N90.9

Noninflammatory disorder of vulva and perineum, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for N90.

Code first

No “code first” instruction is listed for N90.

Use additional code

No “use additional code” instruction is listed for N90.

Excludes1

Conditions that should not be reported together with this code.

  • 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

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for N90.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code N90 mean?

N90 is the FY 2027 U.S. ICD-10-CM code for “Other noninflammatory disorders of vulva and perineum.”

Is N90 a billable or specific ICD-10-CM code?

No. N90 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is N90 located in ICD-10-CM?

N90 is listed in Chapter 14, Diseases of the genitourinary system (N00-N99), within Noninflammatory disorders of female genital tract (N80-N98) (N80–N98), under category N90, Other noninflammatory disorders of vulva and perineum.

What coding notes are listed for N90?

No inclusion terms are listed for N90 in this reference record. No code-first instruction is listed. Excludes1 notes: 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). No Excludes2 note is listed.

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