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 02NX4Z
Release Thoracic Aorta, Ascending/Arch, Open Approach
Release Thoracic Aorta, Ascending/Arch, Perc Approach
Release Thoracic Aorta, Ascending/Arch, Perc Endo Approach