Current
M13 — Other arthritis
Part of Chapter 13: Diseases of the musculoskeletal system and connective tissue , block Inflammatory polyarthropathies (M05-M14) .
Official Notes
Excludes1
arthrosis (M15-M19)
Excludes1
osteoarthritis (M15-M19)
Child Codes
FY 2027 effective October 1, 2026 · CDC NCHS and CMS