CPT code 11400 covers the excision of a benign (noncancerous) skin lesion 0.5 cm or smaller, including margins, from the trunk, arms, or legs. As a common minor surgical procedure in dermatology and primary care, this code is widely used across outpatient clinics, physician offices, and ambulatory surgery centers. Accurate coding for small lesion excisions matters nationally for clinical documentation, billing compliance, and appropriate reimbursement for procedural services.

This analysis references major national payers: Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the code’s clinical intent and service contexts, typical payers that reimburse for this service, and what to expect in benchmark and policy discussions. The publication summarizes how 11400 is positioned among related minor excision codes, highlights documentation elements that support code selection, and outlines common areas of payer review and prior authorization trends.

The content is intended for clinicians, billing professionals, and policy analysts seeking a national-level briefing on coding, billing considerations, and the clinical scope of CPT code 11400. Data not available in the input is identified where applicable.