Non-Billable / Non-Specific Code
ICD-10-CM N77 is the diagnosis code for Vulvovaginal ulceration and inflammation in diseases classified elsewhere. This code falls under the section "Inflammatory diseases of female pelvic organs" within Chapter 14 — Diseases of the genitourinary system (N00-N99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where N77 sits in the ICD-10-CM classification helps ensure proper coding:
No, N77 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
N77 is the ICD-10-CM diagnosis code for "Vulvovaginal ulceration and inflammation in diseases classified elsewhere". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
N77 is located in Section N70-N77 — "Inflammatory diseases of female pelvic organs" within Chapter 14 of the ICD-10-CM Tabular List.
N77 has 2 sub-code(s) that provide more specific detail: N77.0, N77.1.
Use N77 when the patients documented diagnosis matches "Vulvovaginal ulceration and inflammation in diseases classified elsewhere" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Vulvovaginal ulceration and inflammation in diseases classified elsewhere is N77.
No, N77 is non-billable. Use a more specific sub-code for primary diagnosis billing.
N77 is in Chapter 14 of the ICD-10-CM Tabular List.
Yes, N77 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.