 
| PCS-2023 > 0 > 09 > 09B > 09BC | 
| 09B | Ear, Nose, Sinus, Excision | |
| Info: | Excision: Cutting out or off, without replacement, a portion of a body part | |
| 09BC | Excision, Mastoid Sinus, Left | |
| 09BC0 | Open | |
| 09BC0Z | No Device | |
| 09BC0ZX | Excision of Left Mastoid Sinus, Open Approach, Diagnostic | |
| 09BC0ZZ | Excision of Left Mastoid Sinus, Open Approach | |
| 09BC3 | Percutaneous | |
| 09BC3Z | No Device | |
| 09BC3ZX | Excision of Left Mastoid Sinus, Percutaneous Approach, Diagnostic | |
| 09BC3ZZ | Excision of Left Mastoid Sinus, Percutaneous Approach | |
| 09BC4 | Percutaneous Endoscopic | |
| 09BC4Z | No Device | |
| 09BC4ZX | Excision of Left Mastoid Sinus, Percutaneous Endoscopic Approach, Diagnostic | |
| 09BC4ZZ | Excision of Left Mastoid Sinus, Percutaneous Endoscopic Approach | |
| 09BC8 | Via Natural or Artificial Opening Endoscopic | |
| 09BC8Z | No Device | |
| 09BC8ZX | Excision of Left Mastoid Sinus, Via Natural or Artificial Opening Endoscopic, Diagnostic | |
| 09BC8ZZ | Excision of Left Mastoid Sinus, Via Natural or Artificial Opening Endoscopic | |
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