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 0XQ6X
Repair Right Upper Extremity, External Approach
Repair Right Upper Extremity, Percutaneous Approach
Repair Right Upper Extremity, Open Approach
Repair Right Upper Extremity, Perc Endo Approach