Inpatient Procedure Code
0C9W0Z2
Drainage of Upper Tooth, Open Approach, All
Axis Breakdown
Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.
| Position | Value | Meaning |
|---|---|---|
| 1 | Section0 | Medical and Surgical |
| 2 | Body SystemC | Mouth and Throat |
| 3 | Root Operation9 | Drainage Taking or letting out fluids and/or gases from a body part |
| 4 | Body PartW | Upper Tooth |
| 5 | Approach0 | Open |
| 6 | DeviceZ | No Device |
| 7 | Qualifier2 | All |
Change history
No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.