2027 ICD-10-CM Diagnosis Code M24.50Contracture, unspecified joint
ICD-10-CM Codes›M00–M99›M20-M25›M24
- Billable — Valid for Submission
- Chronic Condition
M24.50 is a billable ICD-10-CM diagnosis code for contracture, unspecified joint. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) 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
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Autosomal recessive intellectual disability, motor dysfunction, multiple joint contracture syndrome
- Childhood-onset progressive contractures, limb girdle weakness, muscle dystrophy syndrome
- Contracture of joint
- Contracture of joint following injury
- Contracture of joint of spine
- Contracture of multiple joints
- Contracture scar
- Deformity after injury
- Deletion of part of chromosome 5
- Deletion of part of long arm of chromosome 5
- Hereditary inclusion body myopathy, joint contracture, ophthalmoplegia syndrome
- Joint contractures, developmental delay, Pierre Robin syndrome
- Keloid scar
- Myopathy with cytoplasmic inclusions
- Progressive flexion contracture of joint
- Robin sequence
- X-linked keloid scarring, reduced joint mobility, increased optic cup-to-disc ratio syndrome
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to M24.50: its own notes plus those printed at M24.5, M24, block M00-M25, block M20-M25, and Chapter 13. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- Disorders affecting predominantly peripheral (limb) joints
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
- current injury - see injury of joint by body region
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Notes
General instructions on how these codes are used.
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name M24.50, its category, or a range that includes it.
Excludes1 2
These codes carry an Excludes1 note naming M24.50: they are not reported together with it, unless the two conditions are unrelated.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Contracture
prolonged shortening of the muscle or other soft tissue around a joint, preventing movement of the joint.
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.
Convert M24.50 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About M24.50Overview
What is the ICD-10 code for contracture, unspecified joint?
The ICD-10-CM code for contracture, unspecified joint is M24.50 (sometimes written as M2450). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is M24.50 (Contracture of joint) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report contracture, unspecified joint on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does M24.50 group to?
When contracture, unspecified joint is the principal diagnosis on an inpatient stay, it groups to MS-DRG 564, 566, 565, with relative weights from 0.7374 to 1.4909 depending on complications. Higher weights mean higher Medicare reimbursement.
Can M24.50 be reported with a code from M62.4?
Not as a rule. The Excludes1 note at M24.5, which applies to M24.50, lists "contracture of muscle without contracture of joint (M62.4-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of M24.50?
Under the General Equivalence Mappings, contracture, unspecified joint converts to ICD-9-CM 718.40 (jt contracture-unspec), 718.48 (jt contracture-jt NEC), and 718.49 (jt contracture-mult jts). The mapping is approximate, so confirm the match fits the documentation.
