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 0SQGX
Repair Left Ankle Joint, Percutaneous Endoscopic Approach
Repair Left Ankle Joint, External Approach
Repair Left Ankle Joint, Open Approach
Repair Left Ankle Joint, Percutaneous Approach