The European League Against Rheumatism (EULAR) and the American College of Rheumatology (ACR) have jointly developed and published new classification criteria for systemic lupus erythematosus (SLE).1 These criteria have been developed to find a better equilibrium between specificity and sensitivity compared with previous criteria (SLE American College of Rheumatology (ACR) 1997 and Systemic Lupus International Collaborating Clinics (SLICC) 2012)..