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 0NQN0
Repair Left Zygomatic Bone, Percutaneous Endoscopic Approach
Repair Left Zygomatic Bone, External Approach
Repair Left Zygomatic Bone, Percutaneous Approach
Repair Left Zygomatic Bone, Open Approach