ANA Blood Test, Antinuclear Antibody Screen, Fluorescent Antinuclear Antibody, FANA
When an infection enters your body, the immune system produces antibodies to fight it. But with autoimmune disorders, the immune system produces antinuclear antibodies, which attack the nuclei in your cells. This may cause tissue, organ, and joint damage.
ANA labs may help determine if you have Systemic Lupus Erythematosus (SLE), the most common form of lupus, or other autoimmune conditions such as rheumatoid arthritis, Sjögren’s syndrome, scleroderma, or Addison’s disease.
The test measures the levels of antinuclear antibodies in your blood.
An antinuclear antibody test may be useful if you have symptoms associated with lupus or another autoimmune disorder. These can include:
You don’t have to do anything special to prepare for the blood sample collection.
Test results are either positive or negative. A positive result doesn’t mean you definitively have an autoimmune condition, but your physician may order other autoimmune disorder tests to help make a diagnosis. Depending on the disorder, you may be able to manage flare-ups of the condition with medication or lifestyle changes, such as diet modification.
ANA testing is simple with Personalabs:
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