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 0NQ40
Repair Left Parietal Bone, Open Approach
Repair Left Parietal Bone, Percutaneous Endoscopic Approach
Repair Left Parietal Bone, Percutaneous Approach
Repair Left Parietal Bone, External Approach