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 0YQ0X
Repair Right Buttock, Percutaneous Approach
Repair Right Buttock, Open Approach
Repair Right Buttock, External Approach
Repair Right Buttock, Percutaneous Endoscopic Approach