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 0RJFX
Inspection of Left Sternoclavicular Joint, Open Approach
Inspection of Left Sternoclavicular Joint, Perc Approach
Inspection of Left Sternoclavicular Joint, External Approach
Inspection of L Sternoclav Jt, Perc Endo Approach