2026 ICD-10-CM Diagnosis Code M24.29Disorder of ligament, other specified site

ICD-10-CM Codes›M00–M99›M20-M25›M24

ICD-10-CM M24.29
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M24.29 is a billable ICD-10-CM diagnosis code for disorder of ligament, other specified site. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 557 through 558. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified joint disorders.

Code Identity

ICD-10-CM Code
M24.29
Billable Status
Yes — Valid for Submission
Code Describes
Disorder of ligament, other specified site
Short Description
Disorder of ligament, other specified site
Same as the full description in the CMS dataset.
Parent Code
M24.2
Disorder of ligament

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM20-M25Other joint disorders
CategoryM24Other specific joint derangements
This CodeM24.29Disorder of ligament, other specified site

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Disorder(of)
      • ligament
        • specified site NEC

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MUS007
Other specified joint disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Code History & ChangesHistory

Replacement M24.29 replaces the following previously assigned code(s):

  • M24.20 - Disorder of ligament, unspecified site
FY 2021AddedAdded to the ICD-10-CM code setEffective October 1, 2020.
FY 2022–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About M24.29Overview

Is M24.29 (Disorder of ligament) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report disorder of ligament, other specified site on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M24.29 group to?

When disorder of ligament, other specified site is the principal diagnosis on an inpatient stay, it groups to MS-DRG 557, 558, with relative weights from 0.8932 to 1.4869 depending on complications. Higher weights mean higher Medicare reimbursement.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.