Pediatric Rheumatology Terminology CPTAC Terminology GDC Terminology CPTAC Medical Conditions Codelist CPTAC Codelists Terminology Comorbidity Cellosaurus Disease Terminology Risk Factor GDC Value Terminology mCode Terminology mCode Elixhauser Rheumatoid Arthritis and Collagen Vascular Disease Value Set Rheumatologic Disorder Arthritis Rheumatoid Arthritis mCode A chronic, systemic autoimmune disorder characterized by inflammation in the synovial membranes and articular surfaces. It manifests primarily as a symmetric, erosive polyarthritis that spares the axial skeleton and is typically associated with the presence in the serum of rheumatoid factor. NICHD Rheumatoid Arthritis RA Rheumatoid arthritis, unspecified C2884 A chronic, inflammatory condition manifesting primarily as a symmetric, erosive, polyarthritis that spares the axial skeleton and is typically associated with rheumatoid factor and anti-citrullinated protein antibodies. GDC Patient Code (Appendix B) Rheumatoid_Arthritis CPTAC An autoimmune disease that causes pain, swelling, and stiffness in the joints, and may cause severe joint damage, loss of function, and disability. The disease may last from months to a lifetime, and symptoms may improve and worsen over time. FDA IMDRF:E160201 rheumatoid arthritis Disease or Syndrome Rheumatoid Arthritis Cellosaurus Rheumatoid Arthritis A chronic systemic disease, primarily of the joints, marked by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. C0003873 Autoimmune Disease CDRH Health Effects - Clinical Signs and Symptoms or Conditions Terminology NICHD Terminology