The Approach Open is identified by number "0" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0WQ40
Repair Upper Jaw, Percutaneous Approach
Repair Upper Jaw, Percutaneous Endoscopic Approach
Repair Upper Jaw, External Approach
Repair Upper Jaw, Open Approach