 
| PCS-2023 > 0 > 09 > 09N > 09NN | 
| 09N | Ear, Nose, Sinus, Release | |
| Info: | Release: Freeing a body part from an abnormal physical constraint by cutting or by the use of force | |
| 09NN | Release, Nasopharynx | |
| 09NN0 | Open | |
| 09NN0Z | No Device | |
| 09NN0ZZ | Release Nasopharynx, Open Approach | |
| 09NN3 | Percutaneous | |
| 09NN3Z | No Device | |
| 09NN3ZZ | Release Nasopharynx, Percutaneous Approach | |
| 09NN4 | Percutaneous Endoscopic | |
| 09NN4Z | No Device | |
| 09NN4ZZ | Release Nasopharynx, Percutaneous Endoscopic Approach | |
| 09NN7 | Via Natural or Artificial Opening | |
| 09NN7Z | No Device | |
| 09NN7ZZ | Release Nasopharynx, Via Natural or Artificial Opening | |
| 09NN8 | Via Natural or Artificial Opening Endoscopic | |
| 09NN8Z | No Device | |
| 09NN8ZZ | Release Nasopharynx, Via Natural or Artificial Opening Endoscopic | |
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