 
| PCS-2023 > 0 > 0N > 0NN > 0NN4 | 
| 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 | |
| 0NN4 | Release, Parietal Bone, Left | |
| 0NN40 | Open | |
| 0NN40Z | No Device | |
| 0NN40ZZ | Release Left Parietal Bone, Open Approach | |
| 0NN43 | Percutaneous | |
| 0NN43Z | No Device | |
| 0NN43ZZ | Release Left Parietal Bone, Percutaneous Approach | |
| 0NN44 | Percutaneous Endoscopic | |
| 0NN44Z | No Device | |
| 0NN44ZZ | Release Left Parietal Bone, Percutaneous Endoscopic Approach | |
| ICD-10-CM-2023 Code Search Engine and PCS-2023 Code Search Engine |