04WY00ZRevision of Drainage Device in Lower Artery, Open Approach
- Billable / Specific Code
04WY00Z is a billable ICD-10-PCS procedure code for Revision of Drainage Device in Lower Artery, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 18 MS-DRGs. 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 | 4 | Lower Arteries |
| 3 | Operation | W | Revision |
| 4 | BodyPart | Y | Lower Artery |
| 5 | Approach | 0 | Open |
| 6 | Device | 0 | Drainage Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 04WY00Z under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 04WY00Z
Is 04WY00Z a billable code?
Yes. 04WY00Z is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Drainage Device in Lower Artery, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 04WY00Z mean?
04WY00Z breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 4 is the Body System (Lower Arteries); the 3rd character W is the Operation (Revision); the 4th character Y is the BodyPart (Lower Artery); the 5th character 0 is the Approach (Open); the 6th character 0 is the Device (Drainage Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 04WY00Z group to?
On an inpatient stay, Revision of Drainage Device in Lower Artery, Open Approach maps to MS-DRGs 252, 253, 254, 628, 629, 630, 820, 821, 822, 826, 827, 828, 907, 908, 909, 957, 958, 959, with relative weights from 1.2040 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 04WY00Z?
Under the General Equivalence Mappings, Revision of Drainage Device in Lower Artery, Open Approach crosswalks to ICD-9-PCS 38.08. The mapping is approximate, so confirm it fits the documentation.
