The Operation Resection is identified by letter "T" and occupies the 3rd position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 00T
Resection of Cerebral Hemisphere, Open Approach
Resection of Cerebral Hemisphere, Percutaneous Approach
Resection of Cerebral Hemisphere, Perc Endo Approach