 
| PCS-2023 > 0 > 0N > 0NN > 0NNQ | 
| 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 | |
| 0NNQ | Release, Orbit, Left | |
| 0NNQ0 | Open | |
| 0NNQ0Z | No Device | |
| 0NNQ0ZZ | Release Left Orbit, Open Approach | |
| 0NNQ3 | Percutaneous | |
| 0NNQ3Z | No Device | |
| 0NNQ3ZZ | Release Left Orbit, Percutaneous Approach | |
| 0NNQ4 | Percutaneous Endoscopic | |
| 0NNQ4Z | No Device | |
| 0NNQ4ZZ | Release Left Orbit, Percutaneous Endoscopic Approach | |
| ICD-10-CM-2023 Code Search Engine and PCS-2023 Code Search Engine |