M61.46

Non-billable

Other calcification of muscle, lower leg

M61.46 is the ICD-10-CM code for Other calcification of muscle, lower leg. It is a non-billable category code — use a more specific child code such as M61.461 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M61.4
Subcodes
3
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

What this means — in plain language

MedlinePlus · NIH

Your muscles help you move and help your body work. Different types of muscles have different jobs. There are many problems that can affect muscles. Muscle disorders can cause weakness, pain or even paralysis. Causes of muscle disorders include: Injury or overuse, such as sprains or strains , cramps or tendinitis A genetic disorder, such as muscular dystrophy Some cancers Inflammation, such as myositis Diseases of…

Read more about Muscle Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code M61.46?
M61.46 is the ICD-10-CM code for "Other calcification of muscle, lower leg". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M61.46 a billable code?
No — M61.46 is a non-billable header code. Use a more specific child code (such as M61.461) for billing.
What are the subcodes of M61.46?
M61.46 has 3 more specific child codes, including M61.461, M61.462, M61.469.

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

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