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 0YQHX
Repair Right Lower Leg, External Approach
Repair Right Lower Leg, Percutaneous Approach
Repair Right Lower Leg, Open Approach
Repair Right Lower Leg, Percutaneous Endoscopic Approach