 
| PCS-2023 > 0 > 00 > 00N > 00NF | 
| 00N | Central Nervous System and Cranial Nerves, Release | |
| Info: | Release: Freeing a body part from an abnormal physical constraint by cutting or by the use of force | |
| 00NF | Release, Olfactory Nerve | |
| 00NF0 | Open | |
| 00NF0Z | No Device | |
| 00NF0ZZ | Release Olfactory Nerve, Open Approach | |
| 00NF3 | Percutaneous | |
| 00NF3Z | No Device | |
| 00NF3ZZ | Release Olfactory Nerve, Percutaneous Approach | |
| 00NF4 | Percutaneous Endoscopic | |
| 00NF4Z | No Device | |
| 00NF4ZZ | Release Olfactory Nerve, Percutaneous Endoscopic Approach | |
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