Most lupus patients are familiar with the dsDNA antibody blood test. Like the ANA result, it is a blood test most closely related to lupus. Occasionally a positive dsDNA result can be seen in other conditions. But, the presence of a dsDNA antibody is considered specific for a diagnosis of lupus. As there are multiple ways a lab may detect a dsDNA, there still remains the possibility of a false positive, but a positive dsDNA result warrants a trip to the rheumatologist. (Reminder = “false positive” simply means the test is positive, yet the patient doesn’t have the condition associated with that result) Patients often are referred to a rheumatologist with a notebook full of labs, mostly of all varieties of antibodies and it is overwhelming.
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