Common Tests Anti-CCP Antibody Test (Anti-CCP) Anti-Double Stranded DNA (Anti-dsDNA) Anti-Nuclear Antibody (ANA) Test Bone Mineral Density (BMD) C-Reactive Protein (CRP) Complement C3/C4 Complete Blood Count (CBC) Erythrocyte Sedimentation Rate (ESR) Extractable Nuclear Antigen (ENA) Panel Rheumatoid Factor