M63.821Billable
Disorders of muscle in diseases classified elsewhere, right upper arm
Short description: Disorders of muscle in diseases classd elswhr, r up arm
- 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 armM63.822Disorders 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, forearmM63.831Disorders of muscle in diseases classd elswhr, right forearmYes
Frequently asked questions
What is ICD-10 code M63.821?
M63.821 is an ICD-10-CM diagnosis code for Disorders of muscle in diseases classified elsewhere, right upper arm.
Is M63.821 a billable code?
Yes. M63.821 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is M63.821 in?
M63.821 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.
When did M63.821 become effective?
M63.821 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to M63.821?
M63.821 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.