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Carinal Line Ablation during PVI.

Date: May 18, 2023

Question:

What is the correct CPT code for a carina ablation?  We have EP providers that perform additional RF lesions after the initial first pass in the region of the posterior right carina, right roof, and anterior carina in close proximity to the course of the phrenic nerve. This is performed before PVI is completed. 

Due to the carina anatomical location we are wondering if the carina ablation qualifies for the use of code 93657. Does the patient still need to be in A-fib in order to charge 93657 for the additional carina ablation? Does the carina ablation need to be in a different location or is it included in the initial PVI ablation code 93656?

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