0XM90ZZReattachment of Left Upper Arm, Open Approach
- Billable / Specific Code
0XM90ZZ is a billable ICD-10-PCS procedure code for Reattachment of Left Upper Arm, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 907, 908, 909. The root operation Reattachment involves putting back in or on all or a portion of a separated body part to its normal location or other suitable location.
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 | X | Anatomical Regions, Upper Extremities |
| 3 | Operation | M | Reattachment |
| 4 | BodyPart | 9 | Upper Arm, Left |
| 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 0XM90ZZ under the General Equivalence Mappings.
Questions About 0XM90ZZ
Is 0XM90ZZ a billable code?
Yes. 0XM90ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Reattachment of Left Upper Arm, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0XM90ZZ mean?
0XM90ZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character X is the Body System (Anatomical Regions, Upper Extremities); the 3rd character M is the Operation (Reattachment); the 4th character 9 is the BodyPart (Upper Arm, Left); 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 0XM90ZZ group to?
On an inpatient stay, Reattachment of Left Upper Arm, Open Approach maps to MS-DRGs 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 0XM90ZZ?
Under the General Equivalence Mappings, Reattachment of Left Upper Arm, Open Approach crosswalks to ICD-9-PCS 84.24. The mapping is approximate, so confirm it fits the documentation.
