M24.2 – Disorder of ligament
ICD-10-CM 2027 diagnosis code · Other joint disorders
ICD-10-CM code
M24.2
- Code
M24.2(claims format:M242)- Description
- Disorder of ligament
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M20-M25 Other joint disorders
- Parent codes
- M24
Billable codes under M24.2
M24.2 is a header code and cannot be used on claims. Choose the most specific code:
- M24.20 – Disorder of ligament, unspecified siteBillable
- M24.21 – Disorder of ligament, shoulderHeader (more codes below)
- M24.22 – Disorder of ligament, elbowHeader (more codes below)
- M24.23 – Disorder of ligament, wristHeader (more codes below)
- M24.24 – Disorder of ligament, handHeader (more codes below)
- M24.25 – Disorder of ligament, hipHeader (more codes below)
- M24.27 – Disorder of ligament, ankle and footHeader (more codes below)
- M24.28 – Disorder of ligament, vertebraeBillable
- M24.29 – Disorder of ligament, other specified siteBillable
Notes for M24.2
Applicable to:
- Instability secondary to old ligament injury
- Ligamentous laxity NOS
Excludes1 (not coded here):
- familial ligamentous laxity (M35.7)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M24 – Other specific joint derangements
Excludes1 (not coded here):
- current injury - see injury of joint by body region
Excludes2 (not included here):
Block M20-M25
Related codes in M24
- M24.0 – Loose body in jointHeader
- M24.1 – Other articular cartilage disordersHeader
- M24.3 – Pathological dislocation of joint, not elsewhere classifiedHeader
- M24.4 – Recurrent dislocation of jointHeader
- M24.5 – Contracture of jointHeader
- M24.6 – Ankylosis of jointHeader
- M24.7 – Protrusio acetabuliBillable
- M24.8 – Other specific joint derangements, not elsewhere classifiedHeader
- M24.9 – Joint derangement, unspecifiedBillable
Frequently asked questions
What is ICD-10 code M24.2?
M24.2 is the ICD-10-CM code for disorder of ligament, in the block M20-M25 (Other joint disorders).
Is M24.2 a billable code?
No. M24.2 is a header code with more specific child codes; report one of the billable codes listed above.
What category does M24.2 belong to?
It belongs to category M24 – Other specific joint derangements.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.