 
| PCS-2023 > 0 > 09 > 09N > 09NC | 
| 09N | Ear, Nose, Sinus, Release | |
| Info: | Release: Freeing a body part from an abnormal physical constraint by cutting or by the use of force | |
| 09NC | Release, Mastoid Sinus, Left | |
| 09NC0 | Open | |
| 09NC0Z | No Device | |
| 09NC0ZZ | Release Left Mastoid Sinus, Open Approach | |
| 09NC3 | Percutaneous | |
| 09NC3Z | No Device | |
| 09NC3ZZ | Release Left Mastoid Sinus, Percutaneous Approach | |
| 09NC4 | Percutaneous Endoscopic | |
| 09NC4Z | No Device | |
| 09NC4ZZ | Release Left Mastoid Sinus, Percutaneous Endoscopic Approach | |
| 09NC8 | Via Natural or Artificial Opening Endoscopic | |
| 09NC8Z | No Device | |
| 09NC8ZZ | Release Left Mastoid Sinus, Via Natural or Artificial Opening Endoscopic | |
| ICD-10-CM-2023 Code Search Engine and PCS-2023 Code Search Engine |