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Ablation of second arrhythmia focus-posterior wall isolation

Date: Oct 17, 2022

Question:

In this case would the posterior wall isolation be coded as a second arrhythmia as dictated (93657), or is it part of the PVI (93656)? 

"...showed full isolation...of the pulmonary veins. Then he mapped the posterior wall and found patchy scar and ablated."

Procedure: Ablation of arrhythmia - Pulmonary Vein Isolation procedure

Ablation of second arrhythmia focus - posterior wall isolation

Question ID : 17886
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