36474 Endovenous mchnchem add-on
Also known as: endovenous ablation, additional vein ablation, add-on ablation
Endovenous mechanical or chemical ablation (including radiofrequency, laser, cryotherapy, and sclerosing solution), each additional vein treated; add-on to primary procedure.
In Plain Language
treating additional veins with heat or chemical therapy
Clinical Context
Used when multiple varicose veins require endovenous treatment in same session. Must be reported with primary ablation code.
RVU Breakdown
| Work RVU | 1.71 |
| Total RVU | 1.71 |
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. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 1.71, this code ranks in the 11th percentile among Surgery codes — 4.7x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 36474?
CPT 36474 (Endovenous mchnchem add-on) is a Surgery code. Endovenous mechanical or chemical ablation (including radiofrequency, laser, cryotherapy, and sclerosing solution), each additional vein treated; add-on to primary procedure.
What is the wRVU value for CPT 36474?
The work RVU for CPT 36474 is 1.71. This code is primarily used by Vascular Surgery, Interventional Radiology, Phlebology.
When is CPT 36474 used?
Used when multiple varicose veins require endovenous treatment in same session. Must be reported with primary ablation code.
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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.