The Approach External is identified by letter "X" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0RNAX
Release Thoracolumbar Vertebral Joint, External Approach
Release Thoracolumbar Vertebral Joint, Percutaneous Approach
Release Thoracolumbar Vertebral Joint, Open Approach
Release Thoracolumbar Vertebral Joint, Perc Endo Approach