1. Radiological examinations

o    CT scan

o    X-ray 

o    Ultrasound    
        1. Joint US 

        2. Abdominal and retroperitoneal US

        3. ECG, EKG
 

2. Common lab tests (CBC, urinalysis, stool tests, cultures)
 

3. Specific diagnostic tests

ANA (Antinuclear antibodies)

Anti ds DNA

C3, C4

ACA (Anticardiolipin Antibodies)

Beta 2 glycoproteins      

Anti - La protein antibodies

Anti - Ro antibodies

Anti - CENP antibodies 

Anti - Jo-1 antibodies

Anti - PM/Scl antibodies 

Anti - Mi-2 antibodies