ICD-10 Code A63.0 – Anogenital (venereal) warts (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code A63.0 – Anogenital (venereal) warts
What it is
A63.0 identifies anogenital warts, also called venereal warts, caused by human papillomavirus infection. Use it for wart-like lesions on the genital or anal area when the documentation supports this diagnosis.
Clinical signs
Typical findings include small, flesh-colored or cauliflower-like growths on the external genital or perianal skin. Clinical features vary; refer to documentation, especially when the note describes visible lesions, itching, or irritation.
When to use this code
Use A63.0 when the provider documents anogenital warts, genital warts, condyloma acuminatum, or venereal warts. It may also apply when the assessment clearly links the lesions to HPV-related anogenital disease. Check documentation if the site or diagnosis is unclear.
Do not use for
Do not use this code for nonanogenital skin warts, unspecified viral warts, or lesions not documented as wart-like. If the record instead describes another sexually transmitted infection or an uncertain lesion, check documentation.
Coding tip
Code A63.0 only when the provider documents anogenital warts or an equivalent diagnosis, not merely HPV exposure or testing.