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 0GJ03
Inspection of Pituitary Gland, Open Approach
Inspection of Pituitary Gland, Perc Endo Approach
Inspection of Pituitary Gland, Percutaneous Approach