The Approach Open is identified by number "0" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 035N0
Destruction of Left External Carotid Artery, Perc Approach
Destruction of Left External Carotid Artery, Open Approach
Destruction of L Ext Carotid, Perc Endo Approach