Autoimmune

ANA

Also known as: Antinuclear Antibody

What it means

Antibodies that attack your own cell nuclei. Positive ANA is a screening test for lupus, rheumatoid arthritis, and other autoimmune diseases.

Typical normal range

Negative (<1:80 titre)

Reference ranges vary by lab, age, sex, and pregnancy. Always check the range on your own report.

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