CPT code 93245 covers extended ambulatory electrocardiographic monitoring in which a provider applies a wearable ECG recorder that a patient uses for more than seven days, up to 15 days, with recording, analysis, compilation, and interpretation of the findings. This service is clinically important for detecting intermittent arrhythmias, syncope etiologies, and unexplained palpitations that shorter monitoring periods may miss, and it affects national utilization and payment considerations as ambulatory cardiac monitoring use grows.

Key payers considered in this publication include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context for extended ECG monitoring, typical sites of service, and common billing considerations tied to this code. The analysis highlights benchmarks for utilization and coverage patterns, recent policy updates that influence medical necessity and documentation expectations, and comparative notes on coding practice where relevant.

This summary aims to give clinicians, billing staff, and policy analysts a clear, national-level snapshot of CPT code 93245, what it represents clinically, and the policy and billing themes that commonly affect reimbursement and compliance for extended ambulatory ECG monitoring.