Most blood tests take only a few minutes. They’re done at some doctor’s offices, and at community labs, diagnostic centers, and hospitals. A doctor, nurse, or phlebotomist (fleh-BOT-eh-mist, someone ...

What is a blood test? A blood test is when a small sample of your blood is taken for testing in a laboratory. Your doctor, a nurse or sometimes a phlebotomist (who is trained to take blood samples) ...

This test is not like a pregnancy test, in which a person is or is not pregnant. About 50-60 percent of all blood tests and skin prick tests will yield a “false positive” result. This means that the ...

Most people with lupus have antinuclear antibodies (ANAs) in their blood. But a positive ANA test doesn’t always mean lupus. The test can be positive in people with other autoimmune illnesses — ...