2026 ICD-10-CM Diagnosis Code M24.549Contracture, unspecified hand

ICD-10-CM Codes›M00–M99›M20-M25›M24

ICD-10-CM M24.549
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M24.549 is a billable ICD-10-CM diagnosis code for contracture, unspecified hand. 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 Acquired deformities (excluding foot).

Code Identity

ICD-10-CM Code
M24.549
Billable Status
Yes — Valid for Submission
Code Describes
Contracture, unspecified hand
Short Description
Contracture, unspecified hand
Same as the full description in the CMS dataset.
Parent Code
M24.54
Contracture, hand

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM20-M25Other joint disorders
CategoryM24Other specific joint derangements
This CodeM24.549Contracture, unspecified hand

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Contracture of adductor pollicis
  • Contracture of joint of finger
  • Contracture of joint of finger co-occurrent and due to scar
  • Contracture of joint of hand
  • Contracture of joint of thumb
  • Extension contracture of metacarpophalangeal joint
  • Flexion contracture of carpometacarpal joint of thumb
  • Flexion contracture of distal interphalangeal joint of finger
  • Flexion contracture of distal interphalangeal joint of index finger
  • Flexion contracture of distal interphalangeal joint of little finger
  • Flexion contracture of distal interphalangeal joint of middle finger
  • Flexion contracture of distal interphalangeal joint of ring finger
  • Flexion contracture of interphalangeal joint of finger
  • Flexion contracture of interphalangeal joint of thumb
  • Flexion contracture of joint of finger
  • Flexion contracture of metacarpophalangeal joint
  • Flexion contracture of metacarpophalangeal joint of index finger
  • Flexion contracture of metacarpophalangeal joint of little finger
  • Flexion contracture of metacarpophalangeal joint of middle finger
  • Flexion contracture of metacarpophalangeal joint of ring finger
  • Flexion contracture of metacarpophalangeal joint of thumb
  • Flexion contracture of proximal interphalangeal joint of finger
  • Flexion contracture of proximal interphalangeal joint of index finger
  • Flexion contracture of proximal interphalangeal joint of little finger
  • Flexion contracture of proximal interphalangeal joint of middle finger
  • Flexion contracture of proximal interphalangeal joint of ring finger
  • Flexion contracture of proximal interphalangeal joints of index, middle, ring and little finger

Clinical ClassificationClinical

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

CCSR MUS023
Acquired deformities (excluding foot)
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Hand Injuries and Disorders

No matter how old you are or what you do for a living, you are always using your hands. When there is something wrong with them, you may not be able to do your regular activities.

Read the full article at MedlinePlus

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

Convert M24.549 to ICD-9-CMHistory

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

ICD-9-CM
718.44 Jt contracture-hand
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 M24.549Overview

Is M24.549 (Contracture, hand) a billable code?

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

What MS-DRG does M24.549 group to?

When contracture, unspecified hand 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 M24.549?

Under the General Equivalence Mappings, contracture, unspecified hand converts to ICD-9-CM 718.44 (jt contracture-hand). 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.