Summary & Overview
CPT 33803: Repair of Aberrant Artery with Reanastomosis
CPT code 33803 covers surgical repair of an aberrant or unusually coursing artery, including division of the vessel, removal of constricting fibrous bands, and reanastomosis. This code captures complex vascular reconstruction procedures that restore physiologic blood flow when congenital or acquired vessel abnormalities threaten perfusion. Nationally, such procedures are significant for tertiary vascular surgery centers, impact hospital resource use, and intersect with payer policies on vascular reconstruction and inpatient versus outpatient surgical settings.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find clinical context for the procedure, typical sites of service, and the procedural elements CPT code 33803 is intended to represent. The publication outlines common billing modifiers and coding considerations provided in the input, and highlights where data is not available for specific payers or associated taxonomies.
This piece is useful for coding professionals, surgical billing teams, and policy analysts seeking a concise reference to the clinical scope of CPT code 33803, the payer landscape covered in this analysis, and the types of benchmarks and policy updates that typically apply to advanced vascular reconstruction procedures.
Billing Code Overview
CPT code 33803 describes the surgical repair of an aberrant vessel or a vessel with an unusual course or origin. The procedure includes dividing the anomalous vessel, releasing any constricting fibrous bands that impede normal blood flow, and performing reanastomosis to reconnect the abnormal artery to other arteries.
Service type: Open vascular surgical repair of anomalous artery with reanastomosis
Typical site of service: Operating room or surgical suite in an inpatient or outpatient hospital setting or ambulatory surgical center
Clinical & Coding Specifications
Clinical Context
A 45-year-old patient presents with exertional chest pain and imaging (CT angiography) demonstrating an aberrant origin and course of a coronary artery causing focal compression and ischemia. After diagnostic evaluation including coronary angiography and functional ischemia testing, the cardiothoracic surgical team elects open surgical correction. In the operating room under general anesthesia, the surgeon identifies the anomalous coronary vessel, divides constricting fibrous bands, and performs reanastomosis of the aberrant artery to restore normal blood flow. Postoperative care includes intensive monitoring for myocardial ischemia, arrhythmia surveillance, pain control, and serial cardiac enzymes. Discharge planning addresses activity restrictions, wound care, cardiac rehabilitation referral, and follow-up with cardiology and cardiothoracic surgery for imaging and functional assessment.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No specific modifier; institutional use varies | Rarely used; follow payer instructions if an institution-specific modifier set labels 00 as default |
11 |