The Approach Open is identified by number "0" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0RJ90
Inspection of Thoracic Vertebral Disc, Perc Endo Approach
Inspection of Thoracic Vertebral Disc, Percutaneous Approach
Inspection of Thoracic Vertebral Disc, External Approach
Inspection of Thoracic Vertebral Disc, Open Approach