Get started free

M63.86

Non-billable

Disorders of muscle in diseases classified elsewhere, lower leg

M63.86 is the ICD-10-CM code for Disorders of muscle in diseases classified elsewhere, lower leg. It is a non-billable category code — use a more specific child code such as M63.861 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M63.8
Subcodes
3
Edition
FY2026

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 M63.86?
M63.86 is the ICD-10-CM code for "Disorders of muscle in diseases classified elsewhere, lower leg". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M63.86 a billable code?
No — M63.86 is a non-billable header code. Use a more specific child code (such as M63.861) for billing.
What are the subcodes of M63.86?
M63.86 has 3 more specific child codes, including M63.861, M63.862, M63.869.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.

Get started freeSee how Eleplan works →