Antinuclear Antibodies: About Your Child's Test

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What is it?

An antinuclear antibody (ANA) test is a type of blood test. It measures the amount of antibodies in the blood. These substances work against your child's own body (autoimmune reaction).

Why is this test done?

An ANA test is done to help find problems with the immune system. This can include juvenile rheumatoid arthritis.

How do you prepare for the test?

In general, you won't need to prepare before your child has this test. Your doctor may give you some specific instructions.

How is the test done?

A health professional uses a needle to take a blood sample, usually from the arm.

How long does the test take?

The test will take several minutes.

Follow-up care is a key part of your child's treatment and safety. Be sure to make and go to all appointments, and call your doctor if your child is having problems. Ask your doctor when you can expect to have your child's test results.

Where can you learn more?

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The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.