 
| PCS-2023 > 0 > 09 > 09N > 09NF | 
| 09N | Ear, Nose, Sinus, Release | |
| Info: | Release: Freeing a body part from an abnormal physical constraint by cutting or by the use of force | |
| 09NF | Release, Eustachian Tube, Right | |
| 09NF0 | Open | |
| 09NF0Z | No Device | |
| 09NF0ZZ | Release Right Eustachian Tube, Open Approach | |
| 09NF3 | Percutaneous | |
| 09NF3Z | No Device | |
| 09NF3ZZ | Release Right Eustachian Tube, Percutaneous Approach | |
| 09NF4 | Percutaneous Endoscopic | |
| 09NF4Z | No Device | |
| 09NF4ZZ | Release Right Eustachian Tube, Percutaneous Endoscopic Approach | |
| 09NF7 | Via Natural or Artificial Opening | |
| 09NF7Z | No Device | |
| 09NF7ZZ | Release Right Eustachian Tube, Via Natural or Artificial Opening | |
| 09NF8 | Via Natural or Artificial Opening Endoscopic | |
| 09NF8Z | No Device | |
| 09NF8ZZ | Release Right Eustachian Tube, Via Natural or Artificial Opening Endoscopic | |
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