 
| PCS-2023 > 0 > 09 > 09N > 09NG | 
| 09N | Ear, Nose, Sinus, Release | |
| Info: | Release: Freeing a body part from an abnormal physical constraint by cutting or by the use of force | |
| 09NG | Release, Eustachian Tube, Left | |
| 09NG0 | Open | |
| 09NG0Z | No Device | |
| 09NG0ZZ | Release Left Eustachian Tube, Open Approach | |
| 09NG3 | Percutaneous | |
| 09NG3Z | No Device | |
| 09NG3ZZ | Release Left Eustachian Tube, Percutaneous Approach | |
| 09NG4 | Percutaneous Endoscopic | |
| 09NG4Z | No Device | |
| 09NG4ZZ | Release Left Eustachian Tube, Percutaneous Endoscopic Approach | |
| 09NG7 | Via Natural or Artificial Opening | |
| 09NG7Z | No Device | |
| 09NG7ZZ | Release Left Eustachian Tube, Via Natural or Artificial Opening | |
| 09NG8 | Via Natural or Artificial Opening Endoscopic | |
| 09NG8Z | No Device | |
| 09NG8ZZ | Release Left Eustachian Tube, Via Natural or Artificial Opening Endoscopic | |
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