Many different lab tests are used to find changes in your body that can happen with lupus. The results of each test help your doctor get a fuller picture of your health. Because lab tests alone can’t ...

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Lupus anticoagulants (LAs) are a type of antibody produced by the immune system. LAs relate to an immune system disorder known as antiphospholipid syndrome. A blood test can detect their presence.

A very small number of people who test negative for antinuclear antibody (ANA) in the blood, which is a sign of the most common type of lupus, still have the condition. Lupus is an autoimmune disease ...

In systemic lupus erythematosus, chronic spontaneous urticaria did not raise SLEDAI scores, but cylindruria, mucosal ulcers, ...