 
| PCS-2023 > 0 > 0N > 0NN > 0NNR | 
| 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 | |
| 0NNR | Release, Maxilla | |
| 0NNR0 | Open | |
| 0NNR0Z | No Device | |
| 0NNR0ZZ | Release Maxilla, Open Approach | |
| 0NNR3 | Percutaneous | |
| 0NNR3Z | No Device | |
| 0NNR3ZZ | Release Maxilla, Percutaneous Approach | |
| 0NNR4 | Percutaneous Endoscopic | |
| 0NNR4Z | No Device | |
| 0NNR4ZZ | Release Maxilla, Percutaneous Endoscopic Approach | |
| ICD-10-CM-2023 Code Search Engine and PCS-2023 Code Search Engine |