Summary & Overview
CPT 33991: Percutaneous Left Ventricular Assist Device Insertion
CPT code 33991 covers the percutaneous insertion of a left ventricular assist device (VAD) using both venous and arterial access with a transseptal puncture under radiological guidance. This advanced structural heart procedure is clinically significant because it offers a minimally invasive option for temporary mechanical circulatory support in patients with severe left ventricular dysfunction or cardiogenic shock, affecting hospital workflows, device utilization, and high-acuity reimbursement pathways nationwide.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find national benchmarks for utilization and payment where available, a concise clinical context for how the procedure is performed and where it is typically delivered, and an outline of policy and coverage considerations commonly encountered for high-cost, device-based cardiology interventions. The publication also highlights coding nuances, billing implications for hospital and catheterization laboratory service lines, and points of attention for documentation and claim submission.
Data not available in the input for specific payer rates, associated taxonomies, and ICD-10 diagnosis pairings is noted where relevant.
Billing Code Overview
CPT code 33991 describes the percutaneous insertion of a ventricular assist device (VAD) into the left heart under radiological guidance, performed via both venous and arterial access with a transseptal puncture across the interatrial septum. This procedure establishes circulatory support by placing a mechanical assist device into the left heart through the skin using image guidance.
Service Type: Percutaneous ventricular assist device insertion with transseptal access
Typical Site of Service: Hospital operating room or cardiac catheterization laboratory
Clinical & Coding Specifications
Clinical Context
A 62-year-old patient with refractory cardiogenic shock and severely reduced left ventricular ejection fraction is admitted to the cardiac intensive care unit. After multidisciplinary evaluation, the interventional cardiology and cardiothoracic surgery teams determine that urgent mechanical circulatory support is indicated. The provider performs a percutaneous ventricular assist device (VAD) insertion into the left heart under fluoroscopic and echocardiographic guidance. Vascular access is established via a femoral vein and femoral artery; a transseptal puncture is performed to traverse the interatrial septum and position the device in the left ventricle. Procedural steps include vascular access and hemostasis, transseptal needle puncture with intracardiac or transesophageal echocardiographic confirmation, device advancement and positioning under radiologic guidance, hemodynamic assessment, and post-placement monitoring in an intensive care setting. Typical pre-procedure documentation includes indications (e.g., cardiogenic shock), informed consent, imaging and lab results, anticoagulation plan, and device type. Post-procedure documentation includes device settings, hemodynamic parameters, complications (vascular injury, tamponade, stroke), and plan for device management or escalation to durable support or transplantation.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | Service not related to anesthesia (facility use) | Rarely used as payer-specific; include when required by payer for non-anesthesia facility coding |