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 0XQTX
Repair Left Ring Finger, Percutaneous Approach
Repair Left Ring Finger, Open Approach
Repair Left Ring Finger, External Approach
Repair Left Ring Finger, Percutaneous Endoscopic Approach