33615 Repair modified fontan
Also known as: Fontan revision, Fontan repair, TCPC revision
Surgical repair of a modified Fontan procedure, creating a direct connection between the inferior vena cava and the pulmonary artery.
In Plain Language
surgery to improve blood flow in single ventricle heart
Clinical Context
Performed for functional single ventricle physiology to improve pulmonary blood flow; modified Fontan includes fenestration or other modifications to optimize hemodynamics.
RVU Breakdown
| Work RVU | 34.99 |
| Total RVU | 34.99 |
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 34.99, this code ranks in the 95th percentile among Surgery codes — 4.4x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 33615?
CPT 33615 (Repair modified fontan) is a Surgery code. Surgical repair of a modified Fontan procedure, creating a direct connection between the inferior vena cava and the pulmonary artery.
What is the wRVU value for CPT 33615?
The work RVU for CPT 33615 is 34.99. This code is primarily used by Cardiac Surgery, Congenital Cardiology. It has a 90-day global period.
When is CPT 33615 used?
Performed for functional single ventricle physiology to improve pulmonary blood flow; modified Fontan includes fenestration or other modifications to optimize hemodynamics.
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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.