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 03QN0
Repair Left External Carotid Artery, Percutaneous Approach
Repair Left External Carotid Artery, Perc Endo Approach
Repair Left External Carotid Artery, Open Approach