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 0RQTX
Repair Left Carpometacarpal Joint, Open Approach
Repair Left Carpometacarpal Joint, Percutaneous Approach
Repair Left Carpometacarpal Joint, External Approach
Repair Left Carpometacarpal Joint, Perc Endo Approach