01WY4YZRevision of Other Device in Peripheral Nerve, Percutaneous Endoscopic Approach
- Billable / Specific Code
01WY4YZ is a billable ICD-10-PCS procedure code for Revision of Other Device in Peripheral Nerve, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). 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 | 1 | Peripheral Nervous System |
| 3 | Operation | W | Revision |
| 4 | BodyPart | Y | Peripheral Nerve |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | Y | Other Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 01WY4YZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 01WY4YZ
Is 01WY4YZ a billable code?
Yes. 01WY4YZ is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Other Device in Peripheral Nerve, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 01WY4YZ mean?
01WY4YZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 1 is the Body System (Peripheral Nervous System); the 3rd character W is the Operation (Revision); the 4th character Y is the BodyPart (Peripheral Nerve); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Y is the Device (Other Device); the 7th character Z is the Qualifier (No Qualifier).
What is the ICD-9-PCS equivalent of 01WY4YZ?
Under the General Equivalence Mappings, Revision of Other Device in Peripheral Nerve, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 40.4. The mapping is approximate, so confirm it fits the documentation.
