2026 ICD-10-CM Diagnosis Code M24.576Contracture, unspecified foot

ICD-10-CM CodesM00–M99M20-M25M24

ICD-10-CM M24.576
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M24.576 is a billable ICD-10-CM diagnosis code for contracture, unspecified foot. 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 foot deformities.

Code Identity

ICD-10-CM Code
M24.576
Billable Status
Yes — Valid for Submission
Code Describes
Contracture, unspecified foot
Short Description
Contracture, unspecified foot
Same as the full description in the CMS dataset.
Parent Code
Contracture, ankle and foot

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM20-M25Other joint disorders
CategoryM24Other specific joint derangements
This CodeM24.576Contracture, unspecified foot

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Contracture of ankle joint
  • Contracture of joint of foot
  • Contracture of joint of toe
  • Contracture of plantar fascia
  • Contracture of subtalar joint
  • Decreased range of subtalar movement
  • Extension contracture of metatarsophalangeal joint
  • Extension contracture of toe interphalangeal joint
  • Fibromatosis with contracture of plantar fascia
  • Flexion contracture of distal interphalangeal joint of fifth toe
  • Flexion contracture of distal interphalangeal joint of fourth toe
  • Flexion contracture of distal interphalangeal joint of second toe
  • Flexion contracture of distal interphalangeal joint of third toe
  • Flexion contracture of fifth toe
  • Flexion contracture of fourth toe
  • Flexion contracture of great toe
  • Flexion contracture of interphalangeal joint of great toe
  • Flexion contracture of metatarsophalangeal joint
  • Flexion contracture of metatarsophalangeal joint of fifth toe
  • Flexion contracture of metatarsophalangeal joint of fourth toe
  • Flexion contracture of metatarsophalangeal joint of great toe
  • Flexion contracture of metatarsophalangeal joint of second toe
  • Flexion contracture of metatarsophalangeal joint of third toe
  • Flexion contracture of proximal interphalangeal joint of fifth toe
  • Flexion contracture of proximal interphalangeal joint of fourth toe
  • Flexion contracture of proximal interphalangeal joint of second toe
  • Flexion contracture of proximal interphalangeal joint of third toe
  • Flexion contracture of second toe
  • Flexion contracture of third toe
  • Flexion contracture of toe interphalangeal joint
  • Joint contracture of the ankle and foot
  • Plantar fascial fibromatosis
  • Plantar flexion contracture of tarsometatarsal joint

Clinical ClassificationClinical

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

CCSR MUS021
Acquired foot deformities
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Foot Injuries and Disorders

Each of your feet has 26 bones, 33 joints, and more than 100 tendons, muscles, and ligaments. No wonder a lot of things can go wrong. Here are a few common problems:

Read the full article at MedlinePlus

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

Convert M24.576 to ICD-9-CMHistory

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

ICD-9-CM
718.47 Jt contracture-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 M24.576Overview

Is M24.576 (Contracture, ankle and foot) a billable code?

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

What MS-DRG does M24.576 group to?

When contracture, unspecified foot 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 M24.576?

Under the General Equivalence Mappings, contracture, unspecified foot converts to ICD-9-CM 718.47 (jt contracture-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.