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N77 ICD-10-CA category: Vulvovaginal ulceration and inflammation in diseases classified elsewhere

N77 isn’t a code on its own. Choose one of the 3 codes beneath it, the one the documentation supports.

Official description

N77

Vulvovaginal ulceration and inflammation in diseases classified elsewhere

ICD-10-CA · Canada

Codes in N77

N77 isn’t a code on its own. Open the code that matches what the note documents.

N77.0Ulceration of vulva in infectious and parasitic diseases classified elsewhereN77.1Vaginitis, vulvitis and vulvovaginitis in infectious and parasitic diseases classified elsewhereN77.8Vulvovaginal ulceration and inflammation in other diseases classified elsewhere

Notes for N77

As CIHI prints them, with any note N77 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Those complicating:• abortion or ectopic or molar pregnancy (O00-O07, O08.0)• pregnancy, childbirth and the puerperium (O23.-, O75.3, O85, O86.-)From N70-N77 Inflammatory diseases of female pelvic organs
  • Certain conditions originating in the perinatal period (P00-P96)certain infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 14: Diseases of the genitourinary system (N00-N99)

Where N77 sits

  1. 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
  2. 2Block N70-N77Inflammatory diseases of female pelvic organs
  3. 3Category N77Vulvovaginal ulceration and inflammation in diseases classified elsewhere

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See N77 in the CIHI source

Frequently asked questions

Is N77 a valid ICD-10-CA code?

No. N77 (Vulvovaginal ulceration and inflammation in diseases classified elsewhere) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 3 codes; record the one the documentation supports.

Where is N77 in ICD-10-CA?

N77 sits under N70-N77 Inflammatory diseases of female pelvic organs, within Chapter 14: Diseases of the genitourinary system (N00-N99).

What coding notes apply to N77?

ICD-10-CA lists Excludes notes for N77, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside N77

N70Salpingitis and oophoritisN71Inflammatory disease of uterus, except cervixN72Inflammatory disease of cervix uteriN73Other female pelvic inflammatory diseasesN74Female pelvic inflammatory disorders in diseases classified elsewhereN75Diseases of Bartholin's glandN76Other inflammation of vagina and vulva