ANA (Antinuclear Antibodies) - IFA Method

The Anti-Nuclear Antibody (ANA) Test by Immunofluorescence Assay (IFA) is a diagnostic test used to detect the presence of anti-nuclear antibodies in the blood. These antibodies are produced by the immune system and target the body's own cells' nuclei, which can be indicative of autoimmune disorders.

Why consider this test?

The Anti-Nuclear Antibody (ANA) test is performed for several important reasons related to diagnosing and managing autoimmune diseases and other conditions. Here’s why the ANA test is commonly used:

1. Autoimmune Disorders
   • Systemic Lupus Erythematosus (SLE)
   • Rheumatoid Arthritis
   • Scleroderma
   • Sjogren’s Syndrome
2. Unexplained Symptoms
   • Joint Pain
   • Skin Rashes
   • Fatigue
   • Muscle Weakness

Who should get this test done?

The Anti-Nuclear Antibody (ANA) test is recommended for individuals based on their clinical symptoms and medical history. Here’s a detailed guide on who should consider getting tested

• Individuals with Symptoms of Autoimmune Disorders
• Individuals with Suspected Autoimmune Diseases
• Individuals with Family History of Autoimmune Diseases
• Patients with Unexplained Symptoms
• Monitoring and Follow-Up

More information

ANAs are autoantibodies produced by the immune system that specifically target antigens within the nucleus of cells. These antibodies can bind to various nuclear components, such as DNA, histones, and other nuclear proteins. The presence of ANAs is often a marker for autoimmune diseases, where the immune system mistakenly targets and attacks its own tissues. 

Other Names: ANA Screen, ANA Test, Immunofluorescence Antinuclear Antibody Test, Antinuclear Antibody Test by Immunofluorescence, Autoimmune Screen