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93657 and Additional lines

Date: Mar 19, 2021

Question:

I know the MUE of 93657 is 2, and is used for additional lines and CFAE signals. Based on the below, am I able to code 93657 x 2? "After isolation of all four pulmonary veins, atrial fibrillation remained. Due to continued atrial fibrillation, I felt it was important to perform further substrate for ablation for atrial fibrillation. An inferior line was performed as an additional lesion set. Atrial fibrillation persisted. A roof line was then performed as an additional lesion set." 

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