 
| PCS-2023 > 0 > 0C > 0C9 > 0C99 | 
| 0C9 | Mouth and Throat, Drainage | |
| Info: | Drainage: Taking or letting out fluids and/or gases from a body part | |
| 0C99 | Drainage, Parotid Gland, Left | |
| 0C990 | Open | |
| 0C9900 | Drainage Device | |
| 0C9900Z | Drainage of Left Parotid Gland with Drainage Device, Open Approach | |
| 0C990Z | No Device | |
| 0C990ZX | Drainage of Left Parotid Gland, Open Approach, Diagnostic | |
| 0C990ZZ | Drainage of Left Parotid Gland, Open Approach | |
| 0C993 | Percutaneous | |
| 0C9930 | Drainage Device | |
| 0C9930Z | Drainage of Left Parotid Gland with Drainage Device, Percutaneous Approach | |
| 0C993Z | No Device | |
| 0C993ZX | Drainage of Left Parotid Gland, Percutaneous Approach, Diagnostic | |
| 0C993ZZ | Drainage of Left Parotid Gland, Percutaneous Approach | |
| ICD-10-CM-2023 Code Search Engine and PCS-2023 Code Search Engine |