- 
    0N800ZZ Division of Skull, Open Approach  
- 
    0N803ZZ Division of Skull, Percutaneous Approach  
- 
    0N804ZZ Division of Skull, Percutaneous Endoscopic Approach  
- 
    0N810ZZ Division of Frontal Bone, Open Approach  
- 
    0N813ZZ Division of Frontal Bone, Percutaneous Approach  
- 
    0N814ZZ Division of Frontal Bone, Percutaneous Endoscopic Approach  
- 
    0N830ZZ Division of Right Parietal Bone, Open Approach  
- 
    0N833ZZ Division of Right Parietal Bone, Percutaneous Approach  
- 
    0N834ZZ Division of Right Parietal Bone, Percutaneous Endoscopic Approach  
- 
    0N840ZZ Division of Left Parietal Bone, Open Approach  
- 
    0N843ZZ Division of Left Parietal Bone, Percutaneous Approach  
- 
    0N844ZZ Division of Left Parietal Bone, Percutaneous Endoscopic Approach  
- 
    0N850ZZ Division of Right Temporal Bone, Open Approach  
- 
    0N853ZZ Division of Right Temporal Bone, Percutaneous Approach  
- 
    0N854ZZ Division of Right Temporal Bone, Percutaneous Endoscopic Approach  
- 
    0N860ZZ Division of Left Temporal Bone, Open Approach  
- 
    0N863ZZ Division of Left Temporal Bone, Percutaneous Approach  
- 
    0N864ZZ Division of Left Temporal Bone, Percutaneous Endoscopic Approach  
- 
    0N870ZZ Division of Occipital Bone, Open Approach  
- 
    0N873ZZ Division of Occipital Bone, Percutaneous Approach  
- 
    0N874ZZ Division of Occipital Bone, Percutaneous Endoscopic Approach  
- 
    0N8B0ZZ Division of Nasal Bone, Open Approach  
- 
    0N8B3ZZ Division of Nasal Bone, Percutaneous Approach  
- 
    0N8B4ZZ Division of Nasal Bone, Percutaneous Endoscopic Approach  
- 
    0N8C0ZZ Division of Sphenoid Bone, Open Approach  
- 
    0N8C3ZZ Division of Sphenoid Bone, Percutaneous Approach  
- 
    0N8C4ZZ Division of Sphenoid Bone, Percutaneous Endoscopic Approach  
- 
    0N8F0ZZ Division of Right Ethmoid Bone, Open Approach  
- 
    0N8F3ZZ Division of Right Ethmoid Bone, Percutaneous Approach  
- 
    0N8F4ZZ Division of Right Ethmoid Bone, Percutaneous Endoscopic Approach  
- 
    0N8G0ZZ Division of Left Ethmoid Bone, Open Approach  
- 
    0N8G3ZZ Division of Left Ethmoid Bone, Percutaneous Approach  
- 
    0N8G4ZZ Division of Left Ethmoid Bone, Percutaneous Endoscopic Approach  
- 
    0N8H0ZZ Division of Right Lacrimal Bone, Open Approach  
- 
    0N8H3ZZ Division of Right Lacrimal Bone, Percutaneous Approach  
- 
    0N8H4ZZ Division of Right Lacrimal Bone, Percutaneous Endoscopic Approach  
- 
    0N8J0ZZ Division of Left Lacrimal Bone, Open Approach  
- 
    0N8J3ZZ Division of Left Lacrimal Bone, Percutaneous Approach  
- 
    0N8J4ZZ Division of Left Lacrimal Bone, Percutaneous Endoscopic Approach  
- 
    0N8K0ZZ Division of Right Palatine Bone, Open Approach  
- 
    0N8K3ZZ Division of Right Palatine Bone, Percutaneous Approach  
- 
    0N8K4ZZ Division of Right Palatine Bone, Percutaneous Endoscopic Approach  
- 
    0N8L0ZZ Division of Left Palatine Bone, Open Approach  
- 
    0N8L3ZZ Division of Left Palatine Bone, Percutaneous Approach  
- 
    0N8L4ZZ Division of Left Palatine Bone, Percutaneous Endoscopic Approach  
- 
    0N8M0ZZ Division of Right Zygomatic Bone, Open Approach  
- 
    0N8M3ZZ Division of Right Zygomatic Bone, Percutaneous Approach  
- 
    0N8M4ZZ Division of Right Zygomatic Bone, Percutaneous Endoscopic Approach  
- 
    0N8N0ZZ Division of Left Zygomatic Bone, Open Approach  
- 
    0N8N3ZZ Division of Left Zygomatic Bone, Percutaneous Approach  
- 
    0N8N4ZZ Division of Left Zygomatic Bone, Percutaneous Endoscopic Approach  
- 
    0N8P0ZZ Division of Right Orbit, Open Approach  
- 
    0N8P3ZZ Division of Right Orbit, Percutaneous Approach  
- 
    0N8P4ZZ Division of Right Orbit, Percutaneous Endoscopic Approach  
- 
    0N8Q0ZZ Division of Left Orbit, Open Approach  
- 
    0N8Q3ZZ Division of Left Orbit, Percutaneous Approach  
- 
    0N8Q4ZZ Division of Left Orbit, Percutaneous Endoscopic Approach  
- 
    0N8R0ZZ Division of Maxilla, Open Approach  
- 
    0N8R3ZZ Division of Maxilla, Percutaneous Approach  
- 
    0N8R4ZZ Division of Maxilla, Percutaneous Endoscopic Approach  
- 
    0N8T0ZZ Division of Right Mandible, Open Approach  
- 
    0N8T3ZZ Division of Right Mandible, Percutaneous Approach  
- 
    0N8T4ZZ Division of Right Mandible, Percutaneous Endoscopic Approach  
- 
    0N8V0ZZ Division of Left Mandible, Open Approach  
- 
    0N8V3ZZ Division of Left Mandible, Percutaneous Approach  
- 
    0N8V4ZZ Division of Left Mandible, Percutaneous Endoscopic Approach  
- 
    0N8X0ZZ Division of Hyoid Bone, Open Approach  
- 
    0N8X3ZZ Division of Hyoid Bone, Percutaneous Approach  
- 
    0N8X4ZZ Division of Hyoid Bone, Percutaneous Endoscopic Approach