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 0XQRX
Repair Left Middle Finger, Percutaneous Endoscopic Approach
Repair Left Middle Finger, External Approach
Repair Left Middle Finger, Percutaneous Approach
Repair Left Middle Finger, Open Approach