M08.3

Billable

Juvenile rheumatoid polyarthritis (seronegative)

M08.3 is the ICD-10-CM code for Juvenile rheumatoid polyarthritis (seronegative). It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
M00-M99
Parent
M08
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

What this means — in plain language

MedlinePlus · NIH

What is juvenile arthritis? Juvenile arthritis (JA) is arthritis that happens in children. It causes joint inflammation (swelling), pain, stiffness, and loss of motion. Joints are places where two bones meet, such as your elbow or knee. It can affect any joint, but it is more common in the knees, hands, and feet. JA can affect your child's growth and development, and in some cases, it can also affect other organs.…

Read more about Juvenile Arthritis at MedlinePlus ↗

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

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code M08.3?
M08.3 is the ICD-10-CM code for "Juvenile rheumatoid polyarthritis (seronegative)". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M08.3 a billable code?
Yes — M08.3 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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