CPT code 11755 denotes a physician-performed biopsy of components of the nail unit—such as the nail plate, nail bed, hyponychium, and proximal or lateral nail folds—with each sampled site reported as a separate procedure. This code is relevant for dermatologists, podiatrists, and surgical specialists who evaluate suspected neoplastic, infectious, or inflammatory nail disorders where tissue diagnosis guides management. Nationally, proper use of 11755 affects accurate clinical documentation, coding integrity, and appropriate payment for minor dermatologic surgical services.

Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the clinical context for nail biopsies, guidance on common places of service, and benchmark-focused content addressing coding conventions and payer considerations. The publication also summarizes typical billing modifiers and related administrative topics where input data is available. Where input data is missing, the report notes "Data not available in the input." The content is intended for a national audience of clinicians, coding professionals, and policy analysts seeking concise information about the clinical purpose and billing context of CPT code 11755.