CPT code 93745 describes the initial setup and programming of a wearable cardioverter defibrillator (WCD). The service combines technical device configuration, baseline data collection transmitted to a central monitoring system, and patient education on device use. This code is nationally relevant because WCDs play a role in short-term protection from sudden cardiac arrest for high-risk patients, and accurate billing for initial setup affects device access and care coordination.

Key payers in scope include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context for 93745, expected sites of service (outpatient device or cardiology clinics and hospital outpatient departments), and the components typically included in the billed service.

The publication summarizes common billing and service elements tied to the code, clarifies what CPT code 93745 represents in practice, and highlights content areas readers can expect: service definition, typical care setting, payer coverage landscape, and operational considerations such as data transmission and patient education workflows. Data not available in the input is noted where applicable.