33504 Coronary artery graft
Also known as: complex single bypass, single CABG with complication, single vessel complex graft
Surgical placement of a single coronary artery bypass graft with increased complexity or additional technical consideration compared to standard single vessel bypass.
In Plain Language
one bypass with added difficulty; complex single artery bypass
Clinical Context
Used for single vessel CABG with complicating factors such as calcified vessels, small target vessels, diffuse disease, or need for endarterectomy, requiring additional surgical skill.
RVU Breakdown
| Work RVU | 24.82 |
| Total RVU | 24.82 |
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 90-day global period, which includes the day of the procedure, 1 day preoperative, and 90 days of postoperative care. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 24.82, 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 33504?
CPT 33504 (Coronary artery graft) is a Surgery code. Surgical placement of a single coronary artery bypass graft with increased complexity or additional technical consideration compared to standard single vessel bypass.
What is the wRVU value for CPT 33504?
The work RVU for CPT 33504 is 24.82. This code is primarily used by Cardiac Surgery, Thoracic Surgery. It has a 90-day global period.
When is CPT 33504 used?
Used for single vessel CABG with complicating factors such as calcified vessels, small target vessels, diffuse disease, or need for endarterectomy, requiring additional surgical skill.
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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.