Inpatient Procedure Code
0C9XXZ1
Drainage of Lower Tooth, External Approach, Multiple
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 PartX | Lower Tooth |
| 5 | ApproachX | External |
| 6 | DeviceZ | No Device |
| 7 | Qualifier1 | Multiple |
Contextual Map
Every relationship of 0C9XXZ1 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
PCS table
- 0C9[PCS table]
- [object Object] — Section: [object Object] [Section]: “[object Object]”
- [object Object] — Body System: [object Object] [Body System]: “[object Object]”
- [object Object] — Operation: [object Object] [Operation]: “[object Object]”
Nearest codes
- 0C9WXZ1 — Drainage of Upper Tooth, External Approach, Multiple [One axis away]
- 0C9X0Z1 — Drainage of Lower Tooth, Open Approach, Multiple [One axis away]
- 0C9XX01 — Drainage of Lower Tooth with Drainage Device, External Approach, Multiple [One axis away]
- 0C9XXZ0 — Drainage of Lower Tooth, External Approach, Single [One axis away]
- 0C9XXZ2 — Drainage of Lower Tooth, External Approach, All [One axis away]
Change history
No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.