0NS604ZReposition Left Temporal Bone with Internal Fixation Device, Open Approach
- Billable / Specific Code
0NS604Z is a billable ICD-10-PCS procedure code for Reposition Left Temporal Bone with Internal Fixation Device, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 14 MS-DRGs. The root operation Reposition involves moving to its normal location, or other suitable location, all or a portion of a body part.
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 | S | Reposition |
| 4 | BodyPart | 6 | Temporal Bone, Left |
| 5 | Approach | 0 | Open |
| 6 | Device | 4 | Internal Fixation Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0NS604Z under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0NS604Z
Is 0NS604Z a billable code?
Yes. 0NS604Z is a complete seven-character ICD-10-PCS code, specific enough to report Reposition Left Temporal Bone with Internal Fixation Device, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0NS604Z mean?
0NS604Z 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 S is the Operation (Reposition); the 4th character 6 is the BodyPart (Temporal Bone, Left); the 5th character 0 is the Approach (Open); the 6th character 4 is the Device (Internal Fixation Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0NS604Z group to?
On an inpatient stay, Reposition Left Temporal Bone with Internal Fixation Device, Open Approach maps to MS-DRGs 023, 024, 025, 026, 027, 143, 144, 145, 515, 516, 517, 907, 908, 909, with relative weights from 1.2023 to 5.7303. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0NS604Z?
Under the General Equivalence Mappings, Reposition Left Temporal Bone with Internal Fixation Device, Open Approach crosswalks to ICD-9-PCS 20.2. The mapping is approximate, so confirm it fits the documentation.
