0W9340ZDrainage of Oral Cavity and Throat with Drainage Device, Percutaneous Endoscopic Approach
- Billable / Specific Code
0W9340Z is a billable ICD-10-PCS procedure code for Drainage of Oral Cavity and Throat with Drainage Device, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 11 MS-DRGs. The root operation Drainage involves taking or letting out fluids and/or gases from a body part.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | W | Anatomical Regions, General |
| 3 | Operation | 9 | Drainage |
| 4 | BodyPart | 3 | Oral Cavity and Throat |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | 0 | Drainage Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0W9340Z under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0W9340Z
Is 0W9340Z a billable code?
Yes. 0W9340Z is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Oral Cavity and Throat with Drainage Device, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0W9340Z mean?
0W9340Z breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character W is the Body System (Anatomical Regions, General); the 3rd character 9 is the Operation (Drainage); the 4th character 3 is the BodyPart (Oral Cavity and Throat); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character 0 is the Device (Drainage Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0W9340Z group to?
On an inpatient stay, Drainage of Oral Cavity and Throat with Drainage Device, Percutaneous Endoscopic Approach maps to MS-DRGs 137, 138, 579, 580, 581, 907, 908, 909, 957, 958, 959, with relative weights from 0.8862 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0W9340Z?
Under the General Equivalence Mappings, Drainage of Oral Cavity and Throat with Drainage Device, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 27.0. The mapping is approximate, so confirm it fits the documentation.
