00WE0MZRevision of Neurostimulator Lead in Cranial Nerve, Open Approach
- Billable / Specific Code
00WE0MZ is a billable ICD-10-PCS procedure code for Revision of Neurostimulator Lead in Cranial Nerve, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 040, 041, 042. The root operation Revision involves correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under CNS neurostimulator procedures.
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 | 0 | Central Nervous System and Cranial Nerves |
| 3 | Operation | W | Revision |
| 4 | BodyPart | E | Cranial Nerve |
| 5 | Approach | 0 | Open |
| 6 | Device | M | Neurostimulator Lead |
| 7 | Qualifier | Z | No Qualifier |
Clinical Classification (CCSR)
AHRQ groups 00WE0MZ into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 00WE0MZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 00WE0MZ
Is 00WE0MZ a billable code?
Yes. 00WE0MZ is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Neurostimulator Lead in Cranial Nerve, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 00WE0MZ mean?
00WE0MZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 0 is the Body System (Central Nervous System and Cranial Nerves); the 3rd character W is the Operation (Revision); the 4th character E is the BodyPart (Cranial Nerve); the 5th character 0 is the Approach (Open); the 6th character M is the Device (Neurostimulator Lead); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 00WE0MZ group to?
On an inpatient stay, Revision of Neurostimulator Lead in Cranial Nerve, Open Approach maps to MS-DRGs 040, 041, 042, with relative weights from 1.7277 to 3.8612. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 00WE0MZ?
Under the General Equivalence Mappings, Revision of Neurostimulator Lead in Cranial Nerve, Open Approach crosswalks to ICD-9-PCS 40.4. The mapping is approximate, so confirm it fits the documentation.
