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 06NQ3
Release Left Saphenous Vein, Percutaneous Approach
Release Left Saphenous Vein, Perc Endo Approach
Release Left Saphenous Vein, Open Approach