The Body Part Pineal Body is identified by number "1" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0GP1
Removal of Drainage Device from Pineal Body, Extern Approach
Removal of Drainage Device from Pineal Body, Open Approach
Removal of Drain Dev from Pineal Body, Perc Endo Approach
Removal of Drainage Device from Pineal Body, Perc Approach