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 055S0
Destruction of Left Vertebral Vein, Open Approach
Destruction of Left Vertebral Vein, Percutaneous Approach
Destruction of Left Vertebral Vein, Perc Endo Approach