Low grade intrepith lesion cyto smr anus (LGSIL)

This code indicates the presence of low-grade squamous intraepithelial lesions (LGSIL) identified through a cytological examination of an anal smear. LGSIL represents mild cellular changes that may be precancerous, often associated with human papillomavirus (HPV) infection.

Use this code when documentation specifies a positive anal cytology result showing LGSIL. This typically occurs during screening for anal dysplasia, especially in high-risk populations such as individuals with HIV or those with a history of anogenital warts.

• Ensure the documentation explicitly states "low grade" and "squamous intraepithelial lesion" from an "anal" smear.
• Do not confuse with high-grade lesions (HSIL) or atypical squamous cells of undetermined significance (ASC-US).
• Consider co-reporting with codes for underlying conditions like HPV infection (B97.7) if documented.