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 0N544Z
Destruction of Left Parietal Bone, Percutaneous Approach
Destruction of Left Parietal Bone, Perc Endo Approach
Destruction of Left Parietal Bone, Open Approach