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 00C60
Extirpation of Matter from Cerebral Ventricle, Perc Approach
Extirpation of Matter from Cereb Vent, Perc Endo Approach
Extirpation of Matter from Cerebral Ventricle, Open Approach