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 0XQWX
Repair Left Little Finger, Percutaneous Approach
Repair Left Little Finger, External Approach
Repair Left Little Finger, Percutaneous Endoscopic Approach
Repair Left Little Finger, Open Approach