Rheumatoid Factor IgA
- Category
- Bone & Joint
- Sample
- Blood sample taken from a vein in your arm
- Reports () Terms & Conditions Report time varies with time of sample collection.
- In 2 days
- Fasting
- No Fasting
What Is This Test?
Detects IgA rheumatoid factor — antibodies that may be produced when the immune system mistakenly targets the body's own tissues.
Why this test is performed?
Helps diagnose and monitor rheumatoid arthritis and Sjögren's syndrome.
Who should take this test?
Joint or bone pain, swelling, stiffness, gout, osteoporosis risk, women after menopause and older adults.
Test Preparation
No fasting needed.
Medical disclaimer · for information only, not medical advice
This article is for general information and education only. It is not medical advice, does not create a doctor–patient relationship, and is not a substitute for consultation with a qualified doctor who has assessed your individual situation. Never delay seeking medical advice because of something you have read here.
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- Report time: In 2 days
- No fasting
- Report time: In 30 days
- No fasting
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- Report time: In 2 days
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Frequently asked questions
Not on its own. Autoantibodies can occasionally be found in healthy people; your doctor will interpret the result with your symptoms and other tests.
No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Blood sample taken from a vein in your arm.
Usually about 13–37 hours after the sample reaches the lab. You will receive the report online.
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