Blood tests to diagnose an autoimmune disorder may include: Auto-antibodytests. For some autoimmune disorders, there are blood tests that can look for auto-antibodies in the blood. Auto-antibodies are antibodies made by your immune system that cause it to attack your own cells, tissues, and organs.

Purpose of the Antibody Tests for Autoimmune Disorders

•   To document infectious/foreign agent
•   To know how protected you are against a microorganism (immune status)
•   To assist in the diagnosis of autoimmune disorders
•   To monitor the course and treatment of an autoimmune disorder