The Approach Percutaneous is identified by number "3" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0WJ13
Inspection of Cranial Cavity, Percutaneous Approach
Inspection of Cranial Cavity, Open Approach
Inspection of Cranial Cavity, Perc Endo Approach