 
| PCS-2023 > 0 > 09 > 09N > 09N0 | 
| 09N | Ear, Nose, Sinus, Release | |
| Info: | Release: Freeing a body part from an abnormal physical constraint by cutting or by the use of force | |
| 09N0 | Release, External Ear, Right | |
| 09N00 | Open | |
| 09N00Z | No Device | |
| 09N00ZZ | Release Right External Ear, Open Approach | |
| 09N03 | Percutaneous | |
| 09N03Z | No Device | |
| 09N03ZZ | Release Right External Ear, Percutaneous Approach | |
| 09N04 | Percutaneous Endoscopic | |
| 09N04Z | No Device | |
| 09N04ZZ | Release Right External Ear, Percutaneous Endoscopic Approach | |
| 09N0X | External | |
| 09N0XZ | No Device | |
| 09N0XZZ | Release Right External Ear, External Approach | |
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