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The ANA blood test is one of many screening tests for autoimmune disorders. Find out how this test helps doctors to identify invisible illnesses that cause chronic pain and other symptoms and learn what your test results mean.slide 1 of 4.he results of this test used to determine an ANA titer are also described as the type of fluorescent patterns that show up on the cells contained in the blood sample. Specific patterns can indicate specific autoimmune diseases.
The ANA (antinuclear antibody test) is ordered to test for autoimmune conditions and is most often used as one of the tests to diagnose lupus. The antinuclear antibody panel is a blood test that looks at antinuclear antibodies (ANA). Antinuclear antibodies are produced by the immune system that attack the body's own tissues. Your doctor may order an ANA test if you have signs of an autoimmune disorder, particularly SLE.