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 0YQNX
Repair Left Foot, External Approach
Repair Left Foot, Open Approach
Repair Left Foot, Percutaneous Endoscopic Approach
Repair Left Foot, Percutaneous Approach