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 00NW4Z
Release Cervical Spinal Cord, Open Approach
Release Cervical Spinal Cord, Percutaneous Approach
Release Cervical Spinal Cord, Perc Endo Approach