0WW440ZRevision of Drainage Device in Upper Jaw, Percutaneous Endoscopic Approach
- Billable / Specific Code
0WW440Z is a billable ICD-10-PCS procedure code for Revision of Drainage Device in Upper Jaw, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 579, 580, 581. The root operation Revision involves correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device.
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 | W | Revision |
| 4 | BodyPart | 4 | Upper Jaw |
| 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 0WW440Z under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0WW440Z
Is 0WW440Z a billable code?
Yes. 0WW440Z is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Drainage Device in Upper Jaw, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0WW440Z mean?
0WW440Z 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 W is the Operation (Revision); the 4th character 4 is the BodyPart (Upper Jaw); 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 0WW440Z group to?
On an inpatient stay, Revision of Drainage Device in Upper Jaw, Percutaneous Endoscopic Approach maps to MS-DRGs 579, 580, 581, with relative weights from 1.4431 to 3.2385. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0WW440Z?
Under the General Equivalence Mappings, Revision of Drainage Device in Upper Jaw, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 86.09. The mapping is approximate, so confirm it fits the documentation.
