 
| PCS-2023 > 0 > 09 > 09N > 09NP | 
| 09N | Ear, Nose, Sinus, Release | |
| Info: | Release: Freeing a body part from an abnormal physical constraint by cutting or by the use of force | |
| 09NP | Release, Accessory Sinus | |
| 09NP0 | Open | |
| 09NP0Z | No Device | |
| 09NP0ZZ | Release Accessory Sinus, Open Approach | |
| 09NP3 | Percutaneous | |
| 09NP3Z | No Device | |
| 09NP3ZZ | Release Accessory Sinus, Percutaneous Approach | |
| 09NP4 | Percutaneous Endoscopic | |
| 09NP4Z | No Device | |
| 09NP4ZZ | Release Accessory Sinus, Percutaneous Endoscopic Approach | |
| 09NP8 | Via Natural or Artificial Opening Endoscopic | |
| 09NP8Z | No Device | |
| 09NP8ZZ | Release Accessory Sinus, Via Natural or Artificial Opening Endoscopic | |
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