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 00T70
Resection of Cerebral Hemisphere, Perc Endo Approach
Resection of Cerebral Hemisphere, Open Approach
Resection of Cerebral Hemisphere, Percutaneous Approach