M63.879Billable
Disorders of muscle in diseases classified elsewhere, unspecified ankle and foot
Short description: Disorders of muscle in diseases classd elswhr, unsp ank/ft
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue
- Category
- M63
- Effective date
- October 1, 2026
Related codes in category M63
M63Disorders of muscle in diseases classified elsewhereM63.8Disorders of muscle in diseases classified elsewhereM63.80Disorders of muscle in diseases classd elswhr, unsp siteYesM63.81Disorders of muscle in diseases classd elswhr, shoulderM63.811Disorders of muscle in diseases classd elswhr, r shoulderYesM63.812Disorders of muscle in diseases classd elswhr, left shoulderYesM63.819Disorders of muscle in diseases classd elswhr, unsp shoulderYesM63.82Disorders of muscle in diseases classd elswhr, upper armM63.821Disorders of muscle in diseases classd elswhr, r up armYesM63.822Disorders of muscle in diseases classd elswhr, l up armYesM63.829Disord of muscle in diseases classd elswhr, unsp upper armYesM63.83Disorders of muscle in diseases classd elswhr, forearm
Frequently asked questions
What is ICD-10 code M63.879?
M63.879 is an ICD-10-CM diagnosis code for Disorders of muscle in diseases classified elsewhere, unspecified ankle and foot.
Is M63.879 a billable code?
Yes. M63.879 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is M63.879 in?
M63.879 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.
When did M63.879 become effective?
M63.879 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to M63.879?
M63.879 belongs to category M63, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.