33415 Revision subvalvular tissue
Also known as: subvalvular tissue revision, myotomy, LV outflow tract widening
Revision of subvalvular tissue including ventricular myotomy or resection of hypertrophied muscle below aortic valve.
In Plain Language
removing or cutting heart muscle below aortic valve
Clinical Context
Used for hypertrophic cardiomyopathy or discrete subaortic stenosis.
RVU Breakdown
| Work RVU | 36.34 |
| Total RVU | 36.34 |
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 36.34, this code ranks in the 96th percentile among Surgery codes — 4.5x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 33415?
CPT 33415 (Revision subvalvular tissue) is a Surgery code. Revision of subvalvular tissue including ventricular myotomy or resection of hypertrophied muscle below aortic valve.
What is the wRVU value for CPT 33415?
The work RVU for CPT 33415 is 36.34. This code is primarily used by Cardiac Surgery, Cardiothoracic Surgery. It has a 90-day global period.
When is CPT 33415 used?
Used for hypertrophic cardiomyopathy or discrete subaortic stenosis.
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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.