0NW03SZRevision of Hearing Device in Skull, Percutaneous Approach
- Billable / Specific Code
0NW03SZ is a billable ICD-10-PCS procedure code for Revision of Hearing Device in Skull, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 5 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 | N | Head and Facial Bones |
| 3 | Operation | W | Revision |
| 4 | BodyPart | 0 | Skull |
| 5 | Approach | 3 | Percutaneous |
| 6 | Device | S | Hearing Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0NW03SZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0NW03SZ
Is 0NW03SZ a billable code?
Yes. 0NW03SZ is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Hearing Device in Skull, Percutaneous Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0NW03SZ mean?
0NW03SZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character N is the Body System (Head and Facial Bones); the 3rd character W is the Operation (Revision); the 4th character 0 is the BodyPart (Skull); the 5th character 3 is the Approach (Percutaneous); the 6th character S is the Device (Hearing Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0NW03SZ group to?
On an inpatient stay, Revision of Hearing Device in Skull, Percutaneous Approach maps to MS-DRGs 023, 024, 025, 026, 027, with relative weights from 2.5229 to 5.7303. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0NW03SZ?
Under the General Equivalence Mappings, Revision of Hearing Device in Skull, Percutaneous Approach crosswalks to ICD-9-PCS 12.4. The mapping is approximate, so confirm it fits the documentation.
