M63.821
BillableDisorders of muscle in diseases classified elsewhere, right upper arm
M63.821 is the ICD-10-CM code for Disorders of muscle in diseases classified elsewhere, right upper arm. It is a billable, specific code valid for reimbursement.
M00-M99 Diseases of the musculoskeletal system and connective tissue
No additional coding notes for this code.
Frequently asked questions
- What is ICD-10 code M63.821?
- M63.821 is the ICD-10-CM code for "Disorders of muscle in diseases classified elsewhere, right upper arm". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
- Is M63.821 a billable code?
- Yes — M63.821 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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