33970 Aortic circulation assist
Also known as: LVAD insertion, ventricular assist device, circulation support
Aortic circulation assist device insertion or replacement; initial or replacement insertion of left ventricular assist device or other aortic circulation support system.
In Plain Language
Heart pump insertion; Mechanical heart support placement
Clinical Context
Percutaneous or catheter-based insertion of LVAD or aortic circulation assist devices for acute hemodynamic support without formal surgical incisions.
RVU Breakdown
| Work RVU | 6.57 |
| Total RVU | 6.57 |
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 6.57, this code ranks in the 43rd percentile among Surgery codes — 1.2x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 33970?
CPT 33970 (Aortic circulation assist) is a Surgery code. Aortic circulation assist device insertion or replacement; initial or replacement insertion of left ventricular assist device or other aortic circulation support system.
What is the wRVU value for CPT 33970?
The work RVU for CPT 33970 is 6.57. This code is primarily used by Cardiac Surgery, Cardiology, Critical Care.
When is CPT 33970 used?
Percutaneous or catheter-based insertion of LVAD or aortic circulation assist devices for acute hemodynamic support without formal surgical incisions.
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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.