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 0R550
Destruction of C-thor Disc, Perc Endo Approach
Destruction of Cervicothoracic Vertebral Disc, Open Approach
Destruction of Cervicothoracic Vertebral Disc, Perc Approach