M24.1

Non-billable (Header)

Other articular cartilage disorders

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

Rules from parent category M24: Other specific joint derangements

  • current injury - see injury of joint by body region

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • chondrocalcinosis (M11.1-, M11.2-)
  • internal derangement of knee (M23.-)
  • metastatic calcification (E83.59)
  • ochronosis (E70.29)

⚠️ Excludes2

inherited from M24

Rules from parent category M24: Other specific joint derangements

  • ganglion (M67.4)
  • snapping knee (M23.8-)
  • temporomandibular joint disorders (M26.6-)

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Code Information

CodeM24.1
BillableNo — Header code
ParentM24
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes11 rule(s)
Excludes27 note(s)
Child codes8

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)