Arterial Grafting for Coronary Artery BypassDefines arterial grafting techniques specifically for coronary artery bypass using arterial conduits. CPT range 33533–33548 includes multiple codes for various arterial graft configurations and conduit sources.Codes 33533–33548Total Codes: 7Updated 5/4/2026Standalone
Cardiac Assist ProceduresIncludes cardiac assist procedures such as ventricular assist device implantation, temporary mechanical support and related operative support services. CPT range 33962–33997 comprises multiple codes for different types and durations of cardiac assist interventions.Codes 33962–33997Total Codes: 29Updated 5/4/2026Standalone
Combined Arterial-Venous Grafting for Coronary BypassCovers combined arterial-venous grafting techniques used during coronary artery bypass when both conduit types are employed. CPT range 33517–33530 lists codes for various combined graft configurations for coronary bypass procedures.Codes 33517–33530Total Codes: 7Updated 5/4/2026Standalone
Coronary Artery Anomaly ProceduresCovers repair of congenital coronary artery anomalies including surgical correction and reimplantation techniques. CPT range 33500–33507 contains codes specific to coronary artery anomaly repair procedures.Codes 33500–33507Total Codes: 8Updated 5/4/2026Standalone
Coronary Endarterectomy ProceduresSpecifies coronary endarterectomy procedures involving removal of atherosclerotic plaque from coronary arteries. CPT code 33572 is the single code listed for coronary endarterectomy.Codes 33572–33572Total Codes: 1Updated 5/4/2026Standalone
Electrophysiologic Operative Procedures on the Heart and PericardiumEncompasses electrophysiologic operative procedures on the heart including device implantation, mapping, ablation and open EP surgeries. CPT range 33250–33281 contains diagnostic and therapeutic EP operative codes and subgroups for incisional and endoscopic techniques.Codes 33250–33281Total Codes: 26Sub-groups: 2Updated 5/4/20262 sub-groups
Endoscopy Procedures on the Heart and PericardiumLists endoscopic procedures on the heart and pericardium used for visualization or minimally invasive cardiac interventions. CPT range 33508–33509 includes endoscopic approaches to cardiac structures with two specific codes.Codes 33508–33509Total Codes: 2Updated 5/4/2026Standalone
Endovascular Repair Procedures of the Descending Thoracic AortaIncludes endovascular stent-graft and related repair procedures for the descending thoracic aorta. CPT range 33880–33886 lists thoracic endovascular aortic repair codes for various device types and adjuncts.Codes 33880–33886Total Codes: 5Updated 5/4/2026Standalone
Endovascular Repair of Congenital Heart and Vascular DefectsCovers endovascular techniques for treating congenital heart and vascular defects using transcatheter devices. CPT range 33894–33897 includes codes for percutaneous repair of congenital cardiac and vascular anomalies.Codes 33894–33897Total Codes: 3Updated 5/4/2026Standalone
Endovascular Repair of Pulmonary ArteryEncompasses endovascular repair procedures of the pulmonary artery including stent placement and occlusion techniques. CPT range 33900–33904 contains codes specific to pulmonary artery endovascular interventions.Codes 33900–33904Total Codes: 5Updated 5/4/2026Standalone
Excision Procedures of Cardiac TumorLists excision procedures for primary or metastatic cardiac tumors, including open resection techniques. CPT range 33120–33130 includes codes for excision of intracardiac masses and related operative approaches.Codes 33120–33130Total Codes: 2Updated 5/4/2026Standalone
Extracorporeal Membrane Oxygenation or Extracorporeal Life Support Services and ProceduresCovers extracorporeal membrane oxygenation (ECMO) and extracorporeal life support procedures including initiation, management and cannulation. CPT range 33946–33959 contains codes for ECMO support, cannulation and related services.Codes 33946–33959Total Codes: 17Updated 5/4/2026Standalone
Heart/Lung Transplantation ProceduresCovers heart and lung transplantation procedures including donor organ implantation and related operative services. CPT range 33927–33945 comprises multiple codes for heart, lung and combined heart-lung transplant operations.},{Codes 33927–33945Total Codes: 9Updated 5/4/2026Standalone
Implantation of Hemodynamic MonitorCovers implantation of hemodynamic monitoring devices used for continuous intracardiac or intracavitary pressure monitoring. CPT code 33289 is the single code designated for implantation of a hemodynamic monitor.Codes 33289–33289Total Codes: 1Updated 5/4/2026Standalone
Introduction or Removal of Subcutaneous Cardiac Rhythm MonitorCovers insertion and removal of subcutaneous cardiac rhythm monitors including loop recorders and adhesive or implanted monitors. CPT range 33285–33288 includes codes for device insertion, removal and related services.Codes 33285–33288Total Codes: 2Updated 5/4/2026Standalone
Other Cardiac Surgery ProceduresIncludes other cardiac surgery procedures that are not otherwise specified, reserved for unique or unclassified cardiac operative services. CPT code 33999 is the unlisted cardiac surgical procedure code in this group.Codes 33999–33999Total Codes: 1Updated 5/4/2026Standalone
Other Cardiac Valvular ProceduresSpecifies other cardiac valvular procedures not otherwise classified, used for atypical valve operations. CPT code 33496 is the single code listed for other cardiac valvular procedures.Codes 33496–33496Total Codes: 1Updated 5/4/2026Standalone
Pacemaker or Implantable Defibrillator ProceduresEncompasses implantation, revision and removal of pacemakers and implantable cardioverter-defibrillators and related lead procedures. CPT range 33202–33249 includes multiple device implantation and lead management codes.Codes 33202–33249Total Codes: 39Updated 5/4/2026Standalone
Phrenic Nerve Stimulation SystemCovers implantation and management of phrenic nerve stimulation systems for diaphragmatic pacing and respiratory support. CPT range 33276–33288 contains codes for implantation, revision and removal of phrenic nerve stimulation systems.Codes 33276–33288Total Codes: 3Updated 5/4/2026Standalone
Repair Procedures for Aortic AnomaliesEncompasses surgical repair procedures for aortic anomalies including open reconstructions and patch repairs. CPT range 33800–33853 contains codes for various aortic anomaly repair techniques.Codes 33800–33853Total Codes: 12Updated 5/4/2026Standalone
Repair Procedures for Septal DefectCovers surgical repair of septal defects in the atrial or ventricular septum including device and open repair techniques. CPT range 33641–33697 includes codes for closure and repair of septal defects across age groups and methods.Codes 33641–33697Total Codes: 16Updated 5/4/2026Standalone
Repair Procedures for Single Ventricle and Other Complex Cardiac AnomaliesIncludes repair procedures for single ventricle physiology and complex congenital cardiac anomalies requiring staged or definitive surgical correction. CPT range 33600–33622 lists codes for single ventricle and complex congenital cardiac repairs.Codes 33600–33622Total Codes: 13Updated 5/4/2026Standalone
Repair Procedures for Thoracic Aortic AneurysmCovers open and hybrid repair procedures for thoracic aortic aneurysms including reconstruction and grafting techniques. CPT range 33858–33877 contains codes addressing thoracic aortic aneurysm repair and associated procedures.Codes 33858–33877Total Codes: 8Updated 5/4/2026Standalone
Repair Procedures for Transposition of the Great VesselsDefines surgical repairs for transposition of the great vessels including arterial switch and related corrective procedures. CPT range 33770–33783 includes codes for surgical correction of transposition anomalies.Codes 33770–33783Total Codes: 12Updated 5/4/2026Standalone
Repair Procedures for Truncus ArteriosusCovers operative repair procedures for truncus arteriosus including reconstruction and conduit placement. CPT range 33786–33788 includes the specific codes for truncus arteriosus repair techniques.Codes 33786–33788Total Codes: 2Updated 5/4/2026Standalone