ANA (Antinuclear Antibody) Test
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| ANA (Antinuclear Antibody) Test : What is an ANA (antinuclear antibody) test? An ANA test is a blood test that looks for antinuclear antibodies in your blood. Antibodies are proteins that your immune system makes to fight foreign substances, like viruses and bacteria. But an antinuclear antibody attacks your healthy cells instead. It's called "antinuclear" because it targets the nucleus of the cells, which is in charge of sending signals that are needed for important cell functions. It's normal to have a few antinuclear antibodies in your blood. But a large number may be a sign of an autoimmune disorder. If you have an autoimmune disorder, your immune system attacks the healthy cells of your organs and tissues by mistake. These disorders can cause serious health problems. Other names: antinuclear antibody panel, fluorescent antinuclear antibody, FANA, ANA, ANA reflexive panel | |
| Review Date: 19/03/2025 | Updated By: |