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 00764Z
Dilation of Cerebral Ventricle, Open Approach
Dilation of Cerebral Ventricle, Perc Endo Approach
Dilation of Cerebral Ventricle, Percutaneous Approach