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 05CY0
Extirpation of Matter from Upper Vein, Percutaneous Approach
Extirpation of Matter from Upper Vein, Perc Endo Approach
Extirpation of Matter from Upper Vein, Open Approach