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 06NG4Z
Release Left External Iliac Vein, Open Approach
Release Left External Iliac Vein, Perc Endo Approach
Release Left External Iliac Vein, Percutaneous Approach