Aug 17, 2022 · Overview An ANA test detects antinuclear antibodies (ANA) in your blood. Your immune system normally makes antibodies to help you fight infection. In contrast, antinuclear …

What is an ANA (antinuclear antibody) test? An ANA test is a blood test that looks for antinuclear antibodies in your blood. Antibodies are proteins that your immune system makes to fight …

Jul 31, 2025 · An antinuclear antibody (ANA) test looks for signs that your immune system is targeting your own cells. It can help diagnose autoimmune diseases.

Sep 2, 2022 · An antinuclear antibody test can help your doctor diagnose an autoimmune disease such as lupus. Find out how this blood test is done and what your results might mean.

The Antinuclear Antibody test, or ANA, is a blood test that can help diagnose autoimmune diseases like lupus. ANAs can bind and damage certain structures within a cell’s nucleus (1).

Mar 11, 2025 · If your doctor has ordered an antinuclear antibody (ANA) test, they look for signs of an autoimmune disease. Learn about the risks, results, false positives, and more.

Information on antinuclear antibodies (ANA) and their role in rheumatic disease, how to test for them and what a positive result means.

Dec 20, 2025 · An ANA blood test is used to find antinuclear antibodies that can be linked to autoimmune diseases. The test shows a positive result if fluorescent cells are observed under …

Why is this test done? An ANA test is done to help identify problems with the immune system, such as: Rheumatoid arthritis. Lupus. Polymyositis. Scleroderma. Sjögren's syndrome. How …

ANA testing can help in the differential diagnosis of many autoimmune disease states, including systemic lupus erythematosus (SLE), drug-induced SLE, mixed connective tissue disease …