A immunoglobulin A (IgA) blood test measures the levels of IgA, one of the most common types of antibodies in the body. This test is commonly ordered to help diagnose autoimmune disorders, allergies, and other conditions that affect the immune system. It can also be used to monitor the effectiveness of treatment for these conditions.
This page is provided for educational and informational purposes only and does not constitute the provision of medical advice or professional services. The information provided should not be used for diagnosing or treating a health problem or disease, and those seeking personal medical advice regarding any of the tests and conditions referenced above are advised to consult with a licensed clinician. Always seek the advice of your qualified health provider regarding a medical condition and do not disregard professional medical advice or delay in seeking it because of any information on this page. If you think you may have a medical emergency, immediately call 911 or go to the nearest urgent care center or hospital.