 
| PCS-2023 > 0 > 09 > 099 > 099C | 
| 099 | Ear, Nose, Sinus, Drainage | |
| Info: | Drainage: Taking or letting out fluids and/or gases from a body part | |
| 099C | Drainage, Mastoid Sinus, Left | |
| 099C0 | Open | |
| 099C00 | Drainage Device | |
| 099C00Z | Drainage of Left Mastoid Sinus with Drainage Device, Open Approach | |
| 099C0Z | No Device | |
| 099C0ZX | Drainage of Left Mastoid Sinus, Open Approach, Diagnostic | |
| 099C0ZZ | Drainage of Left Mastoid Sinus, Open Approach | |
| 099C3 | Percutaneous | |
| 099C30 | Drainage Device | |
| 099C30Z | Drainage of Left Mastoid Sinus with Drainage Device, Percutaneous Approach | |
| 099C3Z | No Device | |
| 099C3ZX | Drainage of Left Mastoid Sinus, Percutaneous Approach, Diagnostic | |
| 099C3ZZ | Drainage of Left Mastoid Sinus, Percutaneous Approach | |
| 099C4 | Percutaneous Endoscopic | |
| 099C40 | Drainage Device | |
| 099C40Z | Drainage of Left Mastoid Sinus with Drainage Device, Percutaneous Endoscopic Approach | |
| 099C4Z | No Device | |
| 099C4ZX | Drainage of Left Mastoid Sinus, Percutaneous Endoscopic Approach, Diagnostic | |
| 099C4ZZ | Drainage of Left Mastoid Sinus, Percutaneous Endoscopic Approach | |
| 099C7 | Via Natural or Artificial Opening | |
| 099C70 | Drainage Device | |
| 099C70Z | Drainage of Left Mastoid Sinus with Drainage Device, Via Natural or Artificial Opening | |
| 099C7Z | No Device | |
| 099C7ZX | Drainage of Left Mastoid Sinus, Via Natural or Artificial Opening, Diagnostic | |
| 099C7ZZ | Drainage of Left Mastoid Sinus, Via Natural or Artificial Opening | |
| 099C8 | Via Natural or Artificial Opening Endoscopic | |
| 099C80 | Drainage Device | |
| 099C80Z | Drainage of Left Mastoid Sinus with Drainage Device, Via Natural or Artificial Opening Endoscopic | |
| 099C8Z | No Device | |
| 099C8ZX | Drainage of Left Mastoid Sinus, Via Natural or Artificial Opening Endoscopic, Diagnostic | |
| 099C8ZZ | Drainage of Left Mastoid Sinus, Via Natural or Artificial Opening Endoscopic | |
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