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 03NA0
Release Left Ulnar Artery, Percutaneous Approach
Release Left Ulnar Artery, Percutaneous Endoscopic Approach
Release Left Ulnar Artery, Open Approach