N77.0 – Ulceration of vulva in diseases classified elsewhere

ICD-10-CM 2027 diagnosis code · Inflammatory diseases of female pelvic organs

Billable code

ICD-10-CM code N77.0

Code: N77.0 (claims format: N770)
Description: Ulceration of vulva in diseases classified elsewhere
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 14. Diseases of the genitourinary system (N00-N99)
Block: N70-N77 Inflammatory diseases of female pelvic organs
Parent codes: N77

Notes for N77.0

Excludes1 (not coded here):

ulceration of vulva in gonococcal infection (A54.02)
ulceration of vulva in herpesviral [herpes simplex] infection (A60.04)
ulceration of vulva in syphilis (A51.0)
ulceration of vulva in tuberculosis (A18.18)

Code first:

underlying disease, such as:
Behçet's disease (M35.2)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block N70-N77

Excludes1 (not coded here):

inflammatory diseases of female pelvic organs complicating:
abortion or ectopic or molar pregnancy (O00-O07, O08.0)
pregnancy, childbirth and the puerperium (O23.-, O75.3, O85, O86.-)

Code also:

, if applicable, pelvic abscess (K6A.0-)

Index terms for N77.0

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in N77

N77.1 – Vaginitis, vulvitis and vulvovaginitis in diseases classified elsewhereBillable

Frequently asked questions

What is ICD-10 code N77.0?

N77.0 is the ICD-10-CM code for ulceration of vulva in diseases classified elsewhere, in the block N70-N77 (Inflammatory diseases of female pelvic organs).

Is N77.0 a billable code?

Yes. N77.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does N77.0 belong to?

It belongs to category N77 – Vulvovaginal ulceration and inflammation in diseases classified elsewhere.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.