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 03C20
Extirpation of Matter from Innom Art, Perc Endo Approach
Extirpation of Matter from Innominate Artery, Perc Approach
Extirpation of Matter from Innominate Artery, Open Approach