Antinuclear Antibody (ANA)

The Antinuclear Antibody (ANA) test is a blood test used to detect the presence of antinuclear antibodies in the blood. Antibodies are proteins that your immune system makes to fight foreign substances like viruses and bacteria. Antinuclear antibodies attack healthy cells instead. The ANA test is typically used as a screening tool for autoimmune diseases and other connective tissue diseases.
This page is designed solely for educational purposes and does not constitute medical advice. If you have any concerns regarding your health, we strongly encourage you to consult with your healthcare provider. Please refrain from using this information for self-diagnosis, and always seek guidance from qualified healthcare professionals. In case of a medical emergency, please call 911 or visit the nearest hospital or urgent care facility.

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