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 0PQ3X
Repair Cervical Vertebra, External Approach
Repair Cervical Vertebra, Open Approach
Repair Cervical Vertebra, Percutaneous Endoscopic Approach
Repair Cervical Vertebra, Percutaneous Approach