 
| PCS-2023 > 0 > 09 > 09N > 09N1 | 
| 09N | Ear, Nose, Sinus, Release | |
| Info: | Release: Freeing a body part from an abnormal physical constraint by cutting or by the use of force | |
| 09N1 | Release, External Ear, Left | |
| 09N10 | Open | |
| 09N10Z | No Device | |
| 09N10ZZ | Release Left External Ear, Open Approach | |
| 09N13 | Percutaneous | |
| 09N13Z | No Device | |
| 09N13ZZ | Release Left External Ear, Percutaneous Approach | |
| 09N14 | Percutaneous Endoscopic | |
| 09N14Z | No Device | |
| 09N14ZZ | Release Left External Ear, Percutaneous Endoscopic Approach | |
| 09N1X | External | |
| 09N1XZ | No Device | |
| 09N1XZZ | Release Left External Ear, External Approach | |
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