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 05C50
Extirpation of Matter from R Subclav Vein, Open Approach
Extirpation of Matter from R Subclav Vein, Perc Approach
Extirpate of Matter from R Subclav Vein, Perc Endo Approach