Why are autoimmune disease tests done?
These tests help your doctor see if you have an autoimmune disease, such as:
- Rheumatoid arthritis.
- Lupus.
- Sjögren's syndrome.
- Scleroderma.
- Polymyositis.
Your doctor may want you to have these tests if you have symptoms such as joint pain, muscle aches, and fever.
Your doctor will use these tests and your symptoms to see if you have a health problem.
How is an autoimmune disease test done?
A health professional uses a needle to take a blood sample, usually from the arm.
How do you prepare for an autoimmune disease test?
In general, there's nothing you have to do before this test, unless your doctor tells you to.
What do the results of autoimmune disease tests mean?
A normal (negative) result means that antibodies for autoimmune diseases were not found. An abnormal (positive) result means that one or more of these antibodies were found.
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