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 0YQGX
Repair Left Knee Region, Percutaneous Approach
Repair Left Knee Region, Open Approach
Repair Left Knee Region, External Approach
Repair Left Knee Region, Percutaneous Endoscopic Approach