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 0PNR4Z
Release Right Thumb Phalanx, Open Approach
Release Right Thumb Phalanx, Percutaneous Approach
Release Right Thumb Phalanx, Perc Endo Approach