M08.4
⚠ Non-billable (Header)Pauciarticular juvenile rheumatoid arthritis
Diseases of the musculoskeletal system and connective tissue (M00-M99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inherited from M08Rules from parent category M08: Juvenile arthritis
- • arthropathy in Whipple's disease (M14.8)
- • Felty's syndrome (M05.0)
- • juvenile dermatomyositis (M33.0-)
- • psoriatic juvenile arthropathy (L40.54)
Child Codes (10)
M08.40Pauciarticular juvenile rheumatoid arthritis, unspecified siteM08.41Pauciarticular juvenile rheumatoid arthritis, shoulderM08.42Pauciarticular juvenile rheumatoid arthritis, elbowM08.43Pauciarticular juvenile rheumatoid arthritis, wristM08.44Pauciarticular juvenile rheumatoid arthritis, handM08.45Pauciarticular juvenile rheumatoid arthritis, hipM08.46Pauciarticular juvenile rheumatoid arthritis, kneeM08.47Pauciarticular juvenile rheumatoid arthritis, ankle and footM08.48Pauciarticular juvenile rheumatoid arthritis, vertebraeM08.4APauciarticular juvenile rheumatoid arthritis, other specified site
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CodeM08.4
BillableNo — Header code
ParentM08
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes14 rule(s)
Excludes20 note(s)
Child codes10
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)