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 05CQ0
Extirpation of Matter from L Ext Jugular Vein, Open Approach
Extirpation of Matter from L Ext Jugular Vein, Perc Approach
Extirpate matter from L Ext Jugular Vein, Perc Endo