2026 ICD-10-CM Diagnosis Code M24.831Other specific joint derangements of right wrist, not elsewhere classified

ICD-10-CM Codes›M00–M99›M20-M25›M24

ICD-10-CM M24.831
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M24.831 is a billable ICD-10-CM diagnosis code for other specific joint derangements of right wrist, not elsewhere classified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 564 through 566. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified joint disorders.

Code Identity

ICD-10-CM Code
M24.831
Billable Status
Yes — Valid for Submission
Code Describes
Other specific joint derangements of right wrist, not elsewhere classified
Short Description
Oth specific joint derangements of right wrist, NEC
Parent Code
M24.83
Other specific joint derangements of wrist, not elsewhere classified

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM20-M25Other joint disorders
CategoryM24Other specific joint derangements
This CodeM24.831Other specific joint derangements of right wrist, not elsewhere classified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Derangement of bilateral radiocarpal joints
  • Derangement of joint of left wrist region
  • Derangement of joint of right wrist region
  • Derangement of joint of wrist region
  • Derangement of left radiocarpal joint
  • Derangement of radiocarpal joint
  • Derangement of right radiocarpal 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

Wrist Injuries and Disorders

Your wrist connects your hand to your forearm. It is not one big joint; it has several small joints. This makes it flexible and allows you to move your hand in different ways. The wrist has two big forearm bones and eight small bones known as carpals. It also has tendons and ligaments, which are connective tissues.

The full article covers:

  • What are the types of wrist injuries and disorders?
  • Who is at risk for wrist injuries and disorders?
  • What are the symptoms of wrist injuries and disorders?
  • How are wrist injuries and disorders diagnosed?
  • What are the treatments for wrist injuries and disorders?
  • Can wrist injuries and disorders be prevented?

Read the full article at MedlinePlus

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

Convert M24.831 to ICD-9-CMHistory

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

ICD-9-CM
718.73 Dev dislocat jt-forearm
Approximate The match is approximate rather than exact.
ICD-9-CM
718.83 Jt derangmnt NEC-forearm
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 M24.831Overview

Is M24.831 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other specific joint derangements of right wrist, not elsewhere classified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M24.831 group to?

When other specific joint derangements of right wrist, not elsewhere classified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 564, 565, 566, with relative weights from 0.7493 to 1.5436 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of M24.831?

Under the General Equivalence Mappings, other specific joint derangements of right wrist, not elsewhere classified converts to ICD-9-CM 718.73 (dev dislocat jt-forearm) and 718.83 (jt derangmnt NEC-forearm). 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.