2026 ICD-10-CM Diagnosis Code M24.472Recurrent dislocation, left ankle

ICD-10-CM CodesM00–M99M20-M25M24

ICD-10-CM M24.472
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M24.472 is a billable ICD-10-CM diagnosis code for recurrent dislocation, left ankle. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 562 through 563. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified joint disorders.

Code Identity

ICD-10-CM Code
M24.472
Billable Status
Yes — Valid for Submission
Code Describes
Recurrent dislocation, left ankle
Short Description
Recurrent dislocation, left ankle
Same as the full description in the CMS dataset.
Parent Code
Recurrent dislocation, ankle, foot and toes

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM20-M25Other joint disorders
CategoryM24Other specific joint derangements
This CodeM24.472Recurrent dislocation, left ankle

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Ankle - recurrent dislocation
  • Bilateral recurrent dislocation of joint of ankles
  • Dislocation of joint of left ankle
  • Dislocation of joint of right ankle
  • Recurrent dislocation of ankle AND/OR foot
  • Recurrent dislocation of left ankle joint
  • Recurrent dislocation of right ankle joint

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

Ankle Injuries and Disorders

Your ankle bone and the ends of your two lower leg bones make up the ankle joint. Your ligaments, which connect bones to one another, stabilize and support it. Your muscles and tendons move it.

Read the full article at MedlinePlus

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

Convert M24.472 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
718.37 Recur dislocat-ankle
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About M24.472Overview

Is M24.472 (Recurrent dislocation, ankle, foot and toes) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report recurrent dislocation, left ankle on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M24.472 group to?

When recurrent dislocation, left ankle is the principal diagnosis on an inpatient stay, it groups to MS-DRG 562, 563, with relative weights from 0.8955 to 1.4248 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of M24.472?

Under the General Equivalence Mappings, recurrent dislocation, left ankle converts to ICD-9-CM 718.37 (recur dislocat-ankle). The mapping is approximate, so confirm the match fits the documentation.

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.