The Approach Percutaneous is identified by number "3" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 03NJ3
Release Left Common Carotid Artery, Open Approach
Release Left Common Carotid Artery, Percutaneous Approach
Release Left Common Carotid Artery, Perc Endo Approach