0W0L0ZZAlteration of Lower Back, Open Approach
- Billable / Specific Code
0W0L0ZZ is a billable ICD-10-PCS procedure code for Alteration of Lower Back, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 6 MS-DRGs. The root operation Alteration involves modifying the anatomic structure of a body part without affecting the function of the 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 | W | Anatomical Regions, General |
| 3 | Operation | 0 | Alteration |
| 4 | BodyPart | L | Lower Back |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0W0L0ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0W0L0ZZ
Is 0W0L0ZZ a billable code?
Yes. 0W0L0ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Alteration of Lower Back, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0W0L0ZZ mean?
0W0L0ZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character W is the Body System (Anatomical Regions, General); the 3rd character 0 is the Operation (Alteration); the 4th character L is the BodyPart (Lower Back); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0W0L0ZZ group to?
On an inpatient stay, Alteration of Lower Back, Open Approach maps to MS-DRGs 579, 580, 581, 907, 908, 909, with relative weights from 1.3127 to 3.8393. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0W0L0ZZ?
Under the General Equivalence Mappings, Alteration of Lower Back, Open Approach crosswalks to ICD-9-PCS 86.89. The mapping is approximate, so confirm it fits the documentation.
