The Device No Device is identified by letter "Z" and occupies the 6th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0G504Z
Destruction of Pituitary Gland, Open Approach
Destruction of Pituitary Gland, Perc Endo Approach
Destruction of Pituitary Gland, Percutaneous Approach