The Approach External is identified by letter "X" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0SJDX
Inspection of Left Knee Joint, Percutaneous Approach
Inspection of Left Knee Joint, External Approach
Inspection of Left Knee Joint, Perc Endo Approach
Inspection of Left Knee Joint, Open Approach