AHA Coding Clinic® for ICD-9 - 2007 Issue 4; VOLUMES 1 AND 2 NEW/REVISED CODES

Vulvar Intraepithelial Neoplasia I and II

Effective October 1, 2007, codes 624.01, Vulvar intraepithelial neoplasia I, and 624.02, Vulvar intraepithelial neoplasia II, have been created for vulvar intraepithelial neoplasia I and II. Vulvar intraepithelial neoplasia (VIN) is a condition that involves the surface of the vulva, the external female genitalia. Persistent itching is the most common symptom. Slightly raised lesions appear that differ in coloration compared to the surrounding skin. Cellular abnormalities of VIN I are usually limited to the lower third of the epithelium. VIN II extends to the middle third of the epithelium. Once VIN is confirmed by biopsy, laser ablation...

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