CPT code 93668 designates supervised exercise therapy aimed at improving walking distance and reducing leg pain and swelling from peripheral arterial disease (PAD). Nationally, supervised exercise programs are an important conservative treatment option for PAD that can improve patient function and reduce symptom burden. This code captures services where a clinician or qualified provider directly supervises structured exercise sessions tailored to claudication and vascular rehabilitation.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of what CPT code 93668 represents, the clinical context for supervised exercise therapy in PAD, and the typical care setting for these services.

The publication provides benchmarks and operational context for billing and coverage: program structure and session-based delivery, expected site-of-service patterns, and common payer approaches to coverage and authorization. Policy and reimbursement trends that affect access to supervised exercise therapy are summarized to inform billing staff, clinical program managers, and policy analysts. Data limitations where specific payer policies or local coverage determinations are not available are noted as "Data not available in the input."