33641 Repair heart septum defect
Also known as: muscular VSD closure, muscular septal defect repair, muscular VSD patch
Surgical closure of a ventricular septal defect located in the muscular portion of the interventricular septum.
In Plain Language
closing hole in lower heart chamber wall
Clinical Context
Indicated for hemodynamically significant muscular ventricular septal defects; can be approached via open surgery or minimally invasive techniques depending on location.
RVU Breakdown
| Work RVU | 28.84 |
| Total RVU | 28.84 |
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 28.84, this code ranks in the 92nd percentile among Surgery codes — 3.6x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 33641?
CPT 33641 (Repair heart septum defect) is a Surgery code. Surgical closure of a ventricular septal defect located in the muscular portion of the interventricular septum.
What is the wRVU value for CPT 33641?
The work RVU for CPT 33641 is 28.84. This code is primarily used by Cardiac Surgery, Congenital Cardiology. It has a 90-day global period.
When is CPT 33641 used?
Indicated for hemodynamically significant muscular ventricular septal defects; can be approached via open surgery or minimally invasive techniques depending on location.
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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.