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 0MJXX
Inspection of Upper Bursa and Ligament, Perc Endo Approach
Inspection of Upper Bursa and Ligament, Open Approach
Inspection of Upper Bursa and Ligament, External Approach
Inspection of Upper Bursa and Ligament, Perc Approach