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 05N90
Release Right Brachial Vein, Perc Endo Approach
Release Right Brachial Vein, Percutaneous Approach
Release Right Brachial Vein, Open Approach