The Device No Device is identified by letter "Z" and occupies the 6th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 03N13Z
Release Left Internal Mammary Artery, Percutaneous Approach
Release Left Internal Mammary Artery, Open Approach
Release Left Internal Mammary Artery, Perc Endo Approach