| 0NRG0JZ | Replacement of Left Ethmoid Bone with Synthetic Substitute, Open Approach |
| 0NRG0KZ | Replacement of Left Ethmoid Bone with Nonautologous Tissue Substitute, Open Approach |
| 0NRG37Z | Replacement of Left Ethmoid Bone with Autologous Tissue Substitute, Percutaneous Approach |
| 0NRG3JZ | Replacement of Left Ethmoid Bone with Synthetic Substitute, Percutaneous Approach |
| 0NRG3KZ | Replacement of Left Ethmoid Bone with Nonautologous Tissue Substitute, Percutaneous Approach |
| 0NRG47Z | Replacement of Left Ethmoid Bone with Autologous Tissue Substitute, Percutaneous Endoscopic Approach |
| 0NRG4JZ | Replacement of Left Ethmoid Bone with Synthetic Substitute, Percutaneous Endoscopic Approach |
| 0NRG4KZ | Replacement of Left Ethmoid Bone with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach |
