What Is an Antinuclear Antibody Test? An antinuclear antibody test is a blood test that looks for certain kinds of antibodies in your body. It’s also called an ANA or FANA (fluorescent antinuclear ...
DEAR DR. ROACH: I am a 58-year-old healthy female. I am 6 feet tall, and weigh 130 pounds. My last blood pressure reading was 100/58. I have Raynaud’s phenomenon. I exercise every day (walk, bike, ...
Antibodies that attack healthy proteins within the cell nucleus are called antinuclear antibodies (ANAs). Doctors may order an ANA test if you have signs or symptoms of an autoimmune disorder.