The Body Part Coronary Vein is identified by number "4" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 02Q4
Repair Coronary Vein, Percutaneous Approach
Repair Coronary Vein, Percutaneous Endoscopic Approach
Repair Coronary Vein, Open Approach