ESR, CBC
CRP
ANA
Anti ds DNA
ASO titre
Rheumatoid Factor
Anti CCP
ANA Profile
ANCA
Complement Assay - C3, C4
Complete urine examination
Anti Phospholipid antibodies
Lupus anti coagulant, Anti cardio lipin antibody
Serum protein electrophoresis
Synovial fluid crystals (polarized microscope)
Renal profile
Liver function tests
Brucella IgM, HBs Ag, HCV, Mx test