33600 Closure of valve
Also known as: atrial septal defect closure, ASD repair, atrial septum closure
Surgical closure or resection of a congenital or acquired heart defect located between the atria (atrial septal defect).
In Plain Language
closing hole between upper heart chambers
Clinical Context
Indicated for hemodynamically significant Atrial Septal Defects with right ventricular volume overload and exercise intolerance; closure reduces long-term risk of arrhythmias and heart failure.
RVU Breakdown
| Work RVU | 29.55 |
| Total RVU | 29.55 |
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 29.55, this code ranks in the 92nd percentile among Surgery codes — 3.7x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 33600?
CPT 33600 (Closure of valve) is a Surgery code. Surgical closure or resection of a congenital or acquired heart defect located between the atria (atrial septal defect).
What is the wRVU value for CPT 33600?
The work RVU for CPT 33600 is 29.55. This code is primarily used by Cardiac Surgery, Congenital Cardiology. It has a 90-day global period.
When is CPT 33600 used?
Indicated for hemodynamically significant Atrial Septal Defects with right ventricular volume overload and exercise intolerance; closure reduces long-term risk of arrhythmias and heart failure.
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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.