33363 Replace aortic valve open
Also known as: aortic valve replacement with bypass, AVR on pump
Replacement of aortic valve via open surgical approach with cardiopulmonary bypass.
In Plain Language
surgically replacing aortic valve with heart-lung machine
Clinical Context
Used when bypass is needed for hemodynamic stability or concurrent cardiac procedures.
RVU Breakdown
| Work RVU | 24.83 |
| Total RVU | 24.83 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
As a surgical CPT code, proper documentation must include the operative report detailing the procedure performed, patient positioning, approach, findings, and any complications. This code has a 0-day global period, meaning pre- and post-operative E&M visits are billable separately on the same day. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 24.83, this code ranks in the 89th percentile among Surgery codes — 3.1x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 33363?
CPT 33363 (Replace aortic valve open) is a Surgery code. Replacement of aortic valve via open surgical approach with cardiopulmonary bypass.
What is the wRVU value for CPT 33363?
The work RVU for CPT 33363 is 24.83. This code is primarily used by Cardiac Surgery, Cardiothoracic Surgery.
When is CPT 33363 used?
Used when bypass is needed for hemodynamic stability or concurrent cardiac procedures.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.