Our Immunoglobulin A-autoimmune blood test is designed to measure the level of autoantibodies within your body. This will help identify the presence of autoimmune diseases, which occur when your immune system mistakenly attacks healthy cells and tissues. Selective IgA deficiency is a common indicator of autoimmune diseases, making this test an essential tool for identifying potential health issues. With accurate results and fast turnaround times, this blood test is an effective way to monitor your overall health and wellbeing. Order now and take control of your health today.