Summary & Overview
CPT 33783: Aortic Root Translocation with Ventricular Reconstruction
CPT code 33783 represents a specialized cardiothoracic surgical procedure used to correct complex congenital heart defects, including translocation of the aortic root to the pulmonary position, ventricular outflow tract reconstruction, coronary artery mobilization or reimplantation, ventricular septal defect repair, and relief of pulmonary artery stenosis. This operation is clinically significant because it addresses multi-structure abnormalities that affect systemic and pulmonary blood flow and coronary perfusion, typically in pediatric or congenital heart disease populations.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context, typical site-of-service expectations, and the kinds of benchmarks and policy elements typically associated with high-complexity congenital cardiothoracic surgical codes. The publication summarizes national-level reimbursement and coverage considerations commonly tied to inpatient, operating-room-based congenital heart surgeries and highlights areas where policy updates or payer-specific prior authorization patterns may affect access and billing.
This report is intended to help hospital administrators, coding professionals, and clinical leaders understand the clinical scope of CPT code 33783, typical care settings, and the payer landscape that commonly governs authorization and reimbursement for this high-acuity surgical service.
Billing Code Overview
CPT code 33783 describes a complex congenital heart surgery in which the aortic root is relocated to the pulmonary position, the pulmonary valve is excised, ventricular outflow tracts are reconstructed, and coronary arteries are repositioned or implanted as needed. The procedure includes repair of a ventricular septal defect and correction of pulmonary artery stenosis to restore proper intracardiac and great-vessel circulation.
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Service type: Complex congenital cardiothoracic surgical procedure involving aortic root translocation, ventricular channel reconstruction, coronary artery reimplantation, ventricular septal defect repair, and pulmonary artery repair.
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Typical site of service: Inpatient hospital, cardiothoracic operating room with cardiopulmonary bypass and postoperative intensive care.
Clinical & Coding Specifications
Clinical Context
A 6-month-old infant with transposition of the great arteries (TGA) with a large ventricular septal defect (VSD) and subpulmonary stenosis is scheduled for an arterial switch with intracardiac repair. The presenting symptoms include cyanosis, poor feeding, and echocardiographic confirmation of malpositioned great vessels with coronaries arising from the aortic root in an unfavorable orientation. Preoperative workflow includes: preoperative echocardiogram and CT angiography to delineate coronary anatomy; multidisciplinary conference with pediatric cardiology, cardiothoracic surgery, anesthesia, and perfusion; informed consent detailing risks of coronary manipulation and potential need for patch augmentation; operating room preparation for cardiopulmonary bypass and neonatal/pediatric cardiac perfusion; intraoperative transesophageal echocardiography to confirm repair; and postoperative transfer to pediatric cardiac intensive care for ventilatory and hemodynamic support. The procedure involves mobilizing the aortic root to the pulmonary position, excising the pulmonary valve, reconstructing ventricular outflow tracts, relocating one or both coronary arteries (coronary transfer/implantation), closing the VSD, and relieving pulmonary artery stenosis as needed to establish normal circulatory pathways.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier specified (placeholder) | Rarely used clinically; typically not appended — included in source list. |