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 0SR20
Replacement of Lum Disc with Nonaut Sub, Open Approach
Replacement of Lum Disc with Synth Sub, Open Approach
Replacement of Lum Disc with Autol Sub, Open Approach