33533 Cabg arterial single
Also known as: single arterial CABG, single LIMA bypass, single arterial graft, CABG single arterial graft, single bypass, CABG x1, coronary artery bypass single
Surgical placement of a single coronary artery bypass graft using internal mammary artery or other arterial conduit, providing superior long-term patency.
In Plain Language
one artery graft from chest wall
Clinical Context
Preferred approach for left anterior descending coronary stenosis using left internal mammary artery due to excellent 10-year patency rates exceeding 90% and improved long-term outcomes.
RVU Breakdown
| Work RVU | 32.91 |
| Total RVU | 32.91 |
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 32.91, this code ranks in the 94th percentile among Surgery codes — 4.1x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 33533?
CPT 33533 (Cabg arterial single) is a Surgery code. Surgical placement of a single coronary artery bypass graft using internal mammary artery or other arterial conduit, providing superior long-term patency.
What is the wRVU value for CPT 33533?
The work RVU for CPT 33533 is 32.91. This code is primarily used by Cardiac Surgery, Thoracic Surgery. It has a 90-day global period.
When is CPT 33533 used?
Preferred approach for left anterior descending coronary stenosis using left internal mammary artery due to excellent 10-year patency rates exceeding 90% and improved long-term outcomes.
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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.