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M24.27

⚠ Non-billable (Header)

Disorder of ligament, ankle and foot

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.

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❌ Excludes1

inherited from M24.2

Rules from parent category M24.2: Disorder of ligament

  • • familial ligamentous laxity (M35.7)

⚠️ Excludes2

inherited from M24.2

Rules from parent category M24.2: Disorder of ligament

  • • internal derangement of knee (M23.5-M23.8X9)

Child Codes (6)

M24.271Disorder of ligament, right ankleM24.272Disorder of ligament, left ankleM24.273Disorder of ligament, unspecified ankleM24.274Disorder of ligament, right footM24.275Disorder of ligament, left footM24.276Disorder of ligament, unspecified foot

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Code Information

CodeM24.27
BillableNo — Header code
ParentM24.2
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes11 rule(s)
Excludes21 note(s)
Child codes6

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)