2026 ICD-10-CM Diagnosis Code M24.69Ankylosis, other specified joint

ICD-10-CM Codes›M00–M99›M20-M25›M24

ICD-10-CM M24.69
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M24.69 is a billable ICD-10-CM diagnosis code for ankylosis, other specified joint. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 553 through 554. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified joint disorders.

Code Identity

ICD-10-CM Code
M24.69
Billable Status
Yes — Valid for Submission
Code Describes
Ankylosis, other specified joint
Short Description
Ankylosis, other specified joint
Same as the full description in the CMS dataset.
Parent Code
M24.6
Ankylosis of joint

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM20-M25Other joint disorders
CategoryM24Other specific joint derangements
This CodeM24.69Ankylosis, other specified joint

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.

    • Ankylosis(fibrous) (osseous) (joint)
      • 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

Patient EducationClinical

Joint Disorders

Your joints are places where two or more bones come together. Your shoulders, elbows, hips, knees, and knuckles are all joints. Your spine has joints, too.

The full article covers:

  • What are joints?
  • What are joint disorders?
  • What diseases can affect the joints?
  • What types of joint disorders happen from sudden injuries?
  • What types of joint disorders happen from overuse?
  • How can I keep my joints healthy?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code History & ChangesHistory

Replacement M24.69 replaces the following previously assigned code(s):

  • M24.60 - Ankylosis, unspecified joint
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 M24.69Overview

Is M24.69 (Ankylosis of joint) a billable code?

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

What MS-DRG does M24.69 group to?

When ankylosis, other specified joint is the principal diagnosis on an inpatient stay, it groups to MS-DRG 553, 554, with relative weights from 0.8301 to 1.2963 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.