 
| PCS-2023 > 0 > 0N > 0NN > 0NNC | 
| 0NN | Head and Facial Bones, Release | |
| Info: | Release: Freeing a body part from an abnormal physical constraint by cutting or by the use of force | |
| 0NNC | Release, Sphenoid Bone | |
| 0NNC0 | Open | |
| 0NNC0Z | No Device | |
| 0NNC0ZZ | Release Sphenoid Bone, Open Approach | |
| 0NNC3 | Percutaneous | |
| 0NNC3Z | No Device | |
| 0NNC3ZZ | Release Sphenoid Bone, Percutaneous Approach | |
| 0NNC4 | Percutaneous Endoscopic | |
| 0NNC4Z | No Device | |
| 0NNC4ZZ | Release Sphenoid Bone, Percutaneous Endoscopic Approach | |
| ICD-10-CM-2023 Code Search Engine and PCS-2023 Code Search Engine |