0YM90ZZReattachment of Right Lower Extremity, Open Approach

  • Billable / Specific Code
ICD-10-PCS 0YM90ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

0YM90ZZ is a billable ICD-10-PCS procedure code for Reattachment of Right Lower Extremity, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 9 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. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Musculoskeletal procedures, NEC.

Code Identity

ICD-10-PCS Code
0YM90ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Reattachment of Right Lower Extremity, Open Approach
Short Description
Reattachment of Right Lower Extremity, Open Approach
Same as the full description in the CMS dataset.
Parent Code

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.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body SystemYAnatomical Regions, Lower Extremities
3OperationMReattachment
4BodyPart9Lower Extremity, Right
5Approach0Open
6DeviceZNo Device
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Reattachment, Extremity, Lower, Right
Direct entry for this code

To code reattachment of the right lower extremity, open the FY 2027 ICD-10-PCS Alphabetic Index at Reattachment, then the subterms Extremity, Lower, Right. The entry lists 0YM90ZZ directly as a complete, billable code.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

MST030
Musculoskeletal procedures, NEC
Clinical domain: Musculoskeletal, Subcutaneous Tissue, and Fascia Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

84.29
Other reattachment of extremity
Approximate match.

Questions About 0YM90ZZ

Is 0YM90ZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Reattachment of Right Lower Extremity, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What is the ICD-10-PCS code for reattachment of the right lower extremity?

The FY 2027 ICD-10-PCS Alphabetic Index entry Reattachment, Extremity, Lower, Right is a direct entry for 0YM90ZZ, Reattachment of Right Lower Extremity, Open Approach, billable on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 0YM90ZZ mean?

The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character Y is the Body System (Anatomical Regions, Lower Extremities); the 3rd character M is the Operation (Reattachment); the 4th character 9 is the BodyPart (Lower Extremity, Right); 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 0YM90ZZ group to?

On an inpatient stay, Reattachment of Right Lower Extremity, Open Approach maps to MS-DRGs 515, 516, 517, 907, 908, 909, 957, 958, 959, with relative weights from 1.3810 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 0YM90ZZ?

Under the General Equivalence Mappings, Reattachment of Right Lower Extremity, Open Approach crosswalks to ICD-9-PCS 84.29 (Other reattachment of extremity). The mapping is approximate, so confirm it fits the documentation.