 
| PCS-2023 > 0 > 09 > 09W > 09WE | 
| 09W | Ear, Nose, Sinus, Revision | |
| Info: | Revision: Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device | |
| 09WE | Revision, Inner Ear, Left | |
| 09WE0 | Open | |
| 09WE0S | Hearing Device | |
| 09WE0SZ | Revision of Hearing Device in Left Inner Ear, Open Approach | |
| 09WE7 | Via Natural or Artificial Opening | |
| 09WE7S | Hearing Device | |
| 09WE7SZ | Revision of Hearing Device in Left Inner Ear, Via Natural or Artificial Opening | |
| 09WE8 | Via Natural or Artificial Opening Endoscopic | |
| 09WE8S | Hearing Device | |
| 09WE8SZ | Revision of Hearing Device in Left Inner Ear, Via Natural or Artificial Opening Endoscopic | |
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