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 0RC90
Extirpation of Matter from Thor Disc, Perc Endo Approach
Extirpation of Matter from Thor Disc, Perc Approach
Extirpation of Matter from Thor Disc, Open Approach