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 04Q00
Repair Abdominal Aorta, Open Approach
Repair Abdominal Aorta, Percutaneous Approach
Repair Abdominal Aorta, Percutaneous Endoscopic Approach