M19.90
✓ BillableUnspecified osteoarthritis, unspecified site
Diseases of the musculoskeletal system and connective tissue (M00-M99)
Also Known As
Arthrosis NOSArthritis NOSOsteoarthritis NOS
✅ No additional coding notes for M19.90
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CodeM19.90
BillableYes
ParentM19.9
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes10 rule(s)
Excludes20 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)