 
| PCS-2023 > 0 > 09 > 09N > 09NU | 
| 09N | Ear, Nose, Sinus, Release | |
| Info: | Release: Freeing a body part from an abnormal physical constraint by cutting or by the use of force | |
| 09NU | Release, Ethmoid Sinus, Right | |
| 09NU0 | Open | |
| 09NU0Z | No Device | |
| 09NU0ZZ | Release Right Ethmoid Sinus, Open Approach | |
| 09NU3 | Percutaneous | |
| 09NU3Z | No Device | |
| 09NU3ZZ | Release Right Ethmoid Sinus, Percutaneous Approach | |
| 09NU4 | Percutaneous Endoscopic | |
| 09NU4Z | No Device | |
| 09NU4ZZ | Release Right Ethmoid Sinus, Percutaneous Endoscopic Approach | |
| 09NU8 | Via Natural or Artificial Opening Endoscopic | |
| 09NU8Z | No Device | |
| 09NU8ZZ | Release Right Ethmoid Sinus, Via Natural or Artificial Opening Endoscopic | |
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