Lupus Support Group
Lupus is an auto-immune disease in which the immune system cannot distinguish between threats (like viruses and bacteria), and healthy cells and tissue. As a result, the body produces antibodies that inflict cell damage, most commonly targeting joints, skin, kidneys and the nervous system. Join the group and find support for coping with lupus.
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To diagnose lupus, a patient has to have at least 4 of the 11 ACR criteria. Some of the criteria are lab based, some are not. For instance, you can be diagnosed if you have a malar rash, sun sensitivity, seizures, and kidney symptoms. A rash or malar rash aren't necessary as long as you have another symptom to bring you to a total of 4 or more.
But there is not "rule" that the blood work tests (I'm not sure whether your doc means an ANA or anti-DSdna, or one of the other assorted provabilities.