10ICD Code Hub

N77.1

Billable code

Vaginitis, vulvitis and vulvovaginitis in diseases classified elsewhere

The ICD-10 code for vaginitis, vulvitis and vulvovaginitis in diseases classified elsewhere is N77.1.

Clinical notes

Code first

This code represents a manifestation of an underlying disease. Coding convention requires the underlying (etiology) code to be sequenced first, with this code listed second.

  • underlying disease, such as:
  • pinworm (B80)

Excludes1 (not coded here)

An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).

  • candidal vulvovaginitis (B37.3-)
  • chlamydial vulvovaginitis (A56.02)
  • gonococcal vulvovaginitis (A54.02)
  • herpesviral [herpes simplex] vulvovaginitis (A60.04)
  • trichomonal vulvovaginitis (A59.01)
  • tuberculous vulvovaginitis (A18.18)
  • vulvovaginitis in early syphilis (A51.0)
  • vulvovaginitis in late syphilis (A52.76)

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

View full ICD-10 → ICD-9 crosswalk →

Associated MS-DRGs

N77.1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.