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 0SJ30
Inspection of Lumbosacral Joint, Open Approach
Inspection of Lumbosacral Joint, External Approach
Inspection of Lumbosacral Joint, Percutaneous Approach
Inspection of Lumbosacral Joint, Perc Endo Approach