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 06CT0
Extirpation of Matter from Right Foot Vein, Perc Approach
Extirpation of Matter from Right Foot Vein, Open Approach
Extirpation of Matter from R Foot Vein, Perc Endo Approach