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 02Q00
Repair Coronary Artery, One Artery, Open Approach
Repair Coronary Artery, One Artery, Perc Endo Approach
Repair Coronary Artery, One Artery, Percutaneous Approach