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 035G0
Destruction of Intracranial Artery, Open Approach
Destruction of Intracranial Artery, Perc Endo Approach
Destruction of Intracranial Artery, Percutaneous Approach