0XMW0ZZReattachment of Left Little Finger, Open Approach
- Billable / Specific Code
0XMW0ZZ is a billable ICD-10-PCS procedure code for Reattachment of Left Little Finger, Open 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 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 | W | Little Finger, 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 0XMW0ZZ under the General Equivalence Mappings.
Questions About 0XMW0ZZ
Is 0XMW0ZZ a billable code?
Yes. 0XMW0ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Reattachment of Left Little Finger, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0XMW0ZZ mean?
0XMW0ZZ 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 W is the BodyPart (Little Finger, 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 0XMW0ZZ group to?
On an inpatient stay, Reattachment of Left Little Finger, Open Approach maps to MS-DRGs 513, 514, 957, 958, 959, with relative weights from 1.0223 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0XMW0ZZ?
Under the General Equivalence Mappings, Reattachment of Left Little Finger, Open Approach crosswalks to ICD-9-PCS 84.22. The mapping is approximate, so confirm it fits the documentation.
