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 0YQBX
Repair Left Lower Extremity, Open Approach
Repair Left Lower Extremity, Perc Endo Approach
Repair Left Lower Extremity, Percutaneous Approach
Repair Left Lower Extremity, External Approach