Summary & Overview
CPT 33963: Reposition Central Cannula for Extracorporeal Circulation, Pediatric
CPT code 33963 denotes the open surgical repositioning of a central cannula for extracorporeal circulation in infants and young children (birth through five years), performed via sternotomy or thoracotomy with fluoroscopic guidance. Nationally, this code captures a high-acuity pediatric cardiothoracic procedure linked to extracorporeal life support and complex perioperative care. It is relevant to hospitals, pediatric cardiac surgery programs, and payers managing high-cost, resource-intensive services for critically ill children.
Key payers included in the national context are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise review of what the code represents clinically, the typical service setting, and the payer landscape addressed in the publication. The analysis highlights coding specificity for age-defined pediatric procedures, the surgical approach and imaging component, and common payer considerations for high-acuity pediatric cardiac operations.
This publication provides benchmarks and operational context for billing and claims teams, revenue cycle leaders, and clinical coders. It also outlines clinical context necessary for accurate documentation, summarizes common modifiers used with similar high-complexity surgical codes, and notes where further data (diagnosis mappings, taxonomies, and related codes) are not available in the input.
Billing Code Overview
CPT code 33963 describes the surgical repositioning of a central cannula used for extracorporeal circulation in a child from birth through five years of age. The procedure is performed through an open approach via sternotomy or thoracotomy and includes fluoroscopic guidance as part of the intervention.
Service type: Surgical repositioning of central cannula for extracorporeal circulation
Typical site of service: Inpatient operative setting, typically in an operating room during a cardiac surgical admission, given the use of sternotomy or thoracotomy and pediatric extracorporeal support.
Clinical & Coding Specifications
Clinical Context
A 9-month-old infant with complex congenital heart disease who developed malposition of a central cannula used for extracorporeal membrane oxygenation (ECMO) after cardiac surgery presents with worsening oxygenation and hemodynamic instability. The cardiothoracic surgery team evaluates chest radiographs and fluoroscopic imaging that confirm cannula tip migration and suboptimal flow. The infant is taken to the operating room for an open repositioning of the central cannula via median sternotomy under general anesthesia. Intraoperative fluoroscopy guides cannula placement for optimal drainage and return. The procedure includes cardiopulmonary support setup, sterile field preparation, reopening the prior median sternotomy, careful dissection to expose the cannula, repositioning under direct vision and fluoroscopic confirmation, securing the cannula, hemostasis, and chest closure with monitoring in the pediatric intensive care unit postoperatively. Documentation includes indication, consent, anesthetic record, fluoroscopy time, operative findings, steps of repositioning, cannula type and size, and post-placement imaging and hemodynamic parameters.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | Example/placeholder (not a standard Medicare modifier) | Data not standard; do not use for claim adjudication. |
11 |