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See a sample rate comparisonCPT 33866 Fee Schedule
Last Verified: October 2026
Healthcare providers use this code to document and receive reimbursement for visits that address high-level medical decision-making, often including multiple diagnoses or prescription management.
Aortic Hemiarch Graft, Aortic Hemiarch Graft Including Isolation And Control Of The Arch Vessels Beveled Open Distal Aortic Anastomosis Extending Under One Or More Of The Arch Vessels And Total Circulatory Arrest Or Isolated Cerebral Perfusion List Separately In Addition To Code For Primary Procedure
| Key Fact | Detail |
|---|---|
| Service Type | Surgery Surgical Procedures on the Cardiovascular System |
| Common Place of Service | 21 - Inpatient Hospital 22 - On Campus Outpatient Hospital 23 - Emergency Room |
| Common Modifiers | AS - PA/NP/CNS assistant at surgery GC - Service performed by resident under supervision |
| Complexity Level | High |
| Medicare Fee Schedule | $836.69 national non-facility rate (2026) · View Medicare rates for 33866 |
| Medicaid Fee Schedule | $649.56 median of the 8 states in the free preview · View Medicaid rates for 33866 |
National average reimbursement for CPT 33866 by major payers:
$1,239.61
$1,372.73
$1,408.43
$1,528.68
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CPT 33866
5 of 25 sample ratesHigher to lower in this preview
Sjv Management, LLC, South Jersey Vascular Surgery Center
Sjv Management, LLC
$5,127.00Published rateSpine Solutions Of West Bend LLC
$916.00Published rateKramberg Obs
$325.00Published rateNorthwest Atlanta Vascular Care LLC
$132.00Published rateKeystone Kidney Associates, PC
Keystone Kidney Associates PC
$77.00Published rate
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See a sample payer proposalCPT 33866 vs. Other Surgical Procedures on the Cardiovascular System Codes
The CPT 33866 code is part of the Surgery services used for Surgical Procedures on the Cardiovascular System. It represents a moderate-complexity encounter and is one of several codes that vary based on time spent, level of medical decision-making, and documentation requirements.
The CPT 33866 code involves more provider time and moderate medical decision-making, unlike lower-level codes that require less time and simpler assessments. It typically includes multiple diagnoses, medication management, or test interpretation, leading to higher reimbursement and more detailed documentation requirements.
| Code | Complexity | Description |
|---|---|---|
| 33858-CPT | High | Repair Largest Artery (Aorta), Surgery To Repair A Bulge Damage Or Other Problem In A Section Of The Largest Artery (Aorta). The Procedure Requires Grafts And Moves One Or More Smaller Attached Vessels. |
| 33859-CPT | High | Repair Largest Artery (Aorta), Surgery To Repair A Bulge Damage Or Other Problem In A Section Of The Largest Artery (Aorta). The Procedure Requires Grafts And Moves One Or More Smaller Attached Vessels. |
| 33863-CPT | High | Repair Largest Artery (Aorta), Surgery To Repair A Bulge Damage Or Other Problem In A Section Of The Largest Artery (Aorta). The Procedure Requires Grafts And Moves One Or More Smaller Attached Vessels. |
| 33866-CPT | High | Aortic Hemiarch Graft, Aortic Hemiarch Graft Including Isolation And Control Of The Arch Vessels Beveled Open Distal Aortic Anastomosis Extending Under One Or More Of The Arch Vessels And Total Circulatory Arrest Or Isolated Cerebral Perfusion List Separately In Addition To Code For Primary Procedure |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 33866. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 33866 fee schedule helps patients estimate costs and providers optimize billing for accurate reimbursements.
Factors that affect fee schedules
Medicare & Medicaid Rates
Government-set reimbursement amounts
Private Insurance Rates
Negotiated rates between providers and insurance companies
Geographic Location
Costs may be higher in urban areas.
Provider Type
Hospital providers may have different rates than private practice.
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