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 01CP0
Extirpation of Matter from Sacral Symp Nrv, Open Approach
Extirpation of Matter from Sacral Symp Nrv, Perc Approach
Extirpate of Matter from Sacral Symp Nrv, Perc Endo Approach