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 055Q0
Destruction of L Ext Jugular Vein, Perc Endo Approach
Destruction of Left External Jugular Vein, Perc Approach
Destruction of Left External Jugular Vein, Open Approach