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CPT 33258: Surgical Atrial Ablation with Extensive Atrial Reconstruction
CPT code 33258 identifies a combined cardiac surgical procedure: destruction of extensive abnormal atrial tissue to treat atrial fibrillation plus extensive reconstruction of the left and right atria, performed at the same time as another cardiac operation and without cardiopulmonary bypass. This code captures a complex, intraoperative rhythm control strategy that is often part of comprehensive surgical management for patients with atrial fibrillation who are undergoing concurrent cardiac procedures. Nationally, accurate use of this code matters for coding consistency, resource tracking, and understanding utilization of advanced surgical approaches to atrial fibrillation.
Key payers relevant to coverage and reimbursement include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The analysis accompanying this summary focuses on how the procedure is reported, common billing considerations, and payer coverage patterns for complex cardiac surgical services.
Readers will find concise benchmarks for coding and typical sites of service, a clinical context describing when this combined ablation and atrial reconstruction is used, and a summary of payer coverage themes and coding practice considerations. The material is designed to support coding professionals, hospital billing teams, and policy analysts seeking a national view of how this advanced surgical option for atrial fibrillation is documented and reimbursed. Data not available in the input is noted where relevant.
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Billing Code Overview
CPT code 33258 describes a cardiac surgical procedure in which, concurrently with another cardiac operation, the surgeon destroys extensive abnormal atrial tissue causing atrial fibrillation and performs extensive reconstruction of the left and right atria. The procedure is performed without use of cardiopulmonary bypass.
Service type: Surgical cardiac ablation with extensive atrial reconstruction performed concurrently with another cardiac procedure
Typical site of service: Hospital operating room or cardiac surgery suite (inpatient or same-day procedural setting depending on the concurrent procedure and postoperative needs)