Vulvovaginal ulceration and inflammation in diseases classified elsewhere (N77) ICD-10-CM
The N77 code range covers vulvovaginal ulceration and inflammation in diseases classified elsewhere with 3 ICD-10-CM diagnosis codes. 2 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the N77 Range 3 codes · 2 billable
About the N77 Code Range
The ICD-10 code N77 and its subcodes are used to classify vulvovaginal ulceration and inflammation that occur as part of other underlying diseases rather than as primary conditions. These codes specifically capture complications like vulvar ulcerations and vulvovaginitis linked to systemic illnesses.
The main code, N77, covers vulvovaginal ulceration and inflammation associated with diseases classified elsewhere. For example, N77.0 identifies ulceration of the vulva linked to other disorders, such as vulvitis related to Behcet’s disease or other inflammatory conditions. Meanwhile, N77.1 is used for vaginitis, vulvitis, and vulvovaginitis when these signs appear as part of diseases like reactive arthritis, Crohn’s disease, or genital lichen planus. Healthcare professionals and medical coders can rely on these codes when documenting vulvovaginal symptoms that are secondary to systemic disease processes, ensuring accurate classification of conditions like “vulvitis associated with another disorder” or “vaginitis associated with another disorder.” Using the correct ICD-10 code for vulvovaginal ulceration and inflammation linked to other diseases supports precise medical records and effective clinical communication.
Questions About This Page
How many billable codes are in the N77 range?
Of the 3 codes in this range, 2 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the N77 range classify?
The range classifies vulvovaginal ulceration and inflammation in diseases classified elsewhere. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
