M24.2
⚠ Non-billable (Header)Disorder of ligament
Diseases of the musculoskeletal system and connective tissue (M00-M99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
Also Known As
Instability secondary to old ligament injuryLigamentous laxity NOS
❌ Excludes1
directCannot be coded with M24.2
- • familial ligamentous laxity (M35.7)
❌ Excludes1
inherited from M24Rules from parent category M24: Other specific joint derangements
- • current injury - see injury of joint by body region
⚠️ Excludes2
directMay be coded together if both conditions coexist
- • internal derangement of knee (M23.5-M23.8X9)
⚠️ Excludes2
inherited from M24Rules from parent category M24: Other specific joint derangements
- • ganglion (M67.4)
- • snapping knee (M23.8-)
- • temporomandibular joint disorders (M26.6-)
Child Codes (9)
M24.20Disorder of ligament, unspecified siteM24.21Disorder of ligament, shoulderM24.22Disorder of ligament, elbowM24.23Disorder of ligament, wristM24.24Disorder of ligament, handM24.25Disorder of ligament, hipM24.27Disorder of ligament, ankle and footM24.28Disorder of ligament, vertebraeM24.29Disorder of ligament, other specified site
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CodeM24.2
BillableNo — Header code
ParentM24
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes12 rule(s)
Excludes24 note(s)
Child codes9
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)