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 0XJBX
Inspection of Right Elbow Region, Open Approach
Inspection of Right Elbow Region, Percutaneous Approach
Inspection of Right Elbow Region, External Approach
Inspection of Right Elbow Region, Perc Endo Approach