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 0SJGX
Inspection of Left Ankle Joint, Perc Endo Approach
Inspection of Left Ankle Joint, Open Approach
Inspection of Left Ankle Joint, Percutaneous Approach
Inspection of Left Ankle Joint, External Approach