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 0XQPX
Repair Left Index Finger, External Approach
Repair Left Index Finger, Percutaneous Endoscopic Approach
Repair Left Index Finger, Open Approach
Repair Left Index Finger, Percutaneous Approach