0NP00NZRemoval of Neurostimulator Generator from Skull, Open Approach
- Billable / Specific Code
0NP00NZ is a billable ICD-10-PCS procedure code for Removal of Neurostimulator Generator from Skull, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 040, 041, 042. The root operation Removal involves taking out or off a device from a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Musculoskeletal device procedures, NEC.
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 | P | Removal |
| 4 | BodyPart | 0 | Skull |
| 5 | Approach | 0 | Open |
| 6 | Device | N | Neurostimulator Generator |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0NP00NZ
Is 0NP00NZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Removal of Neurostimulator Generator from Skull, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0NP00NZ mean?
The code 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 P is the Operation (Removal); the 4th character 0 is the BodyPart (Skull); the 5th character 0 is the Approach (Open); the 6th character N is the Device (Neurostimulator Generator); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0NP00NZ group to?
On an inpatient stay, Removal of Neurostimulator Generator from Skull, Open Approach maps to MS-DRGs 040, 041, 042, with relative weights from 1.6757 to 3.7168. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0NP00NZ?
Under the General Equivalence Mappings, Removal of Neurostimulator Generator from Skull, Open Approach crosswalks to ICD-9-PCS 01.29 (Removal of cranial neurostimulator pulse generator). The mapping is approximate, so confirm it fits the documentation.
