Hairy leukoplakia

This code represents hairy leukoplakia, an Epstein-Barr virus (EBV)-induced lesion typically found on the lateral borders of the tongue. It presents as white, corrugated, or "hairy" plaques that cannot be scraped off. While often asymptomatic, it is a significant indicator of underlying immunosuppression, most commonly associated with HIV infection.

Use this code when documentation confirms a diagnosis of hairy leukoplakia, often identified during an oral examination. This diagnosis is frequently made in patients with known or suspected immunocompromised states, such as HIV/AIDS. Supporting documentation should include a description of the lesion's appearance and location, and may include biopsy results confirming the diagnosis.

• Always query for underlying immunosuppression, especially HIV status, as this may require additional coding.
• Differentiate from other oral white lesions like candidiasis (which can be scraped off) or lichen planus.
• This code is typically a secondary diagnosis, with the primary diagnosis often being the underlying immunocompromising condition.