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 0QQCX
Repair Left Lower Femur, External Approach
Repair Left Lower Femur, Percutaneous Endoscopic Approach
Repair Left Lower Femur, Open Approach
Repair Left Lower Femur, Percutaneous Approach