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 0RQRX
Repair Left Carpal Joint, Open Approach
Repair Left Carpal Joint, Percutaneous Endoscopic Approach
Repair Left Carpal Joint, Percutaneous Approach
Repair Left Carpal Joint, External Approach