0HMUXZZReattachment of Left Breast, External Approach
- Billable / Specific Code
0HMUXZZ is a billable ICD-10-PCS procedure code for Reattachment of Left Breast, External Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 584, 585. 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. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Skin and breast 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 | H | Skin and Breast |
| 3 | Operation | M | Reattachment |
| 4 | BodyPart | U | Breast, Left |
| 5 | Approach | X | External |
| 6 | Device | Z | No Device |
| 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:
To code reattachment of the left breast, open the FY 2027 ICD-10-PCS Alphabetic Index at Reattachment, then the subterms Breast, Left. The entry lists 0HMUXZZ directly as a complete, billable 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.
Questions About 0HMUXZZ
Is 0HMUXZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Reattachment of Left Breast, External Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for reattachment of the left breast?
The FY 2027 ICD-10-PCS Alphabetic Index entry Reattachment, Breast, Left is a direct entry for 0HMUXZZ, Reattachment of Left Breast, External Approach, billable on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0HMUXZZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character H is the Body System (Skin and Breast); the 3rd character M is the Operation (Reattachment); the 4th character U is the BodyPart (Breast, Left); the 5th character X is the Approach (External); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0HMUXZZ group to?
On an inpatient stay, Reattachment of Left Breast, External Approach maps to MS-DRGs 584, 585, with relative weights from 1.8916 to 2.0292. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0HMUXZZ?
Under the General Equivalence Mappings, Reattachment of Left Breast, External Approach crosswalks to ICD-9-PCS 85.89 (Other mammoplasty). The mapping is approximate, so confirm it fits the documentation.
