N77Header code — not billable

Vulvovaginal ulceration and inflammation in diseases classified elsewhere

Short description: Vulvovaginal ulceration and inflam in diseases classd elswhr

Chapter
14. Diseases of the genitourinary system
Category
N77
Effective date
October 1, 2026

Related codes in category N77

N77.0Ulceration of vulva in diseases classified elsewhereYesN77.1Vaginitis, vulvitis and vulvovaginitis in dis classd elswhrYes

Frequently asked questions

What is ICD-10 code N77?

N77 is an ICD-10-CM diagnosis code for Vulvovaginal ulceration and inflammation in diseases classified elsewhere.

Is N77 a billable code?

No. N77 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is N77 in?

N77 falls under Chapter 14: Diseases of the genitourinary system.

When did N77 become effective?

N77 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to N77?

N77 belongs to category N77, which includes 2 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.