M63.8
Header — not billableDisorders of muscle in diseases classified elsewhere
The ICD-10 code for disorders of muscle in diseases classified elsewhere is M63.8.
M63.8 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 10 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under M63.8
- M63.80Disorders of muscle in diseases classified elsewhere, unspecified site
- M63.81Disorders of muscle in diseases classified elsewhere, shouldernon-billable header
- M63.82Disorders of muscle in diseases classified elsewhere, upper armnon-billable header
- M63.83Disorders of muscle in diseases classified elsewhere, forearmnon-billable header
- M63.84Disorders of muscle in diseases classified elsewhere, handnon-billable header
- M63.85Disorders of muscle in diseases classified elsewhere, thighnon-billable header
- M63.86Disorders of muscle in diseases classified elsewhere, lower legnon-billable header
- M63.87Disorders of muscle in diseases classified elsewhere, ankle and footnon-billable header
- M63.88Disorders of muscle in diseases classified elsewhere, other site
- M63.89Disorders of muscle in diseases classified elsewhere, multiple sites