M13.10
BillableMonoarthritis, not elsewhere classified, unspecified site
M13.10 is the ICD-10-CM code for Monoarthritis, not elsewhere classified, unspecified site. It is a billable, specific code valid for reimbursement.
M00-M99 Diseases of the musculoskeletal system and connective tissue
What this means — in plain language
MedlinePlus · NIHWhat is arthritis? If you feel pain and stiffness in your body or have trouble moving around, you might have arthritis. Any disorder that affects the joints is often called arthritis. Joints are places where two bones meet, such as your elbow or knee. Most types of arthritis can cause joint pain and inflammation (swelling). Over time, a swollen joint can become severely damaged. Some kinds of arthritis can also…
Read more about Arthritis at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Frequently asked questions
- What is ICD-10 code M13.10?
- M13.10 is the ICD-10-CM code for "Monoarthritis, not elsewhere classified, unspecified site". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
- Is M13.10 a billable code?
- Yes — M13.10 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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