Rheumatoid Factor RA Factor
Rheumatoid Factor RA Factor is a blood test that check the the rheumatoid in your blood, Rheumatoid factor is protein that made by immune system. This test also helps to tell the difference between rheumatoid arthritis and other types of arthritis, such as Anti-nuclear antibody (ANA), Anti CC Protein, ESR, and C Reactive Protein (CRP). Antibodies directed against the Fc fragment of immunoglobulin G (IgG) are called rheumatoid factors. Your immune system make proteins they called antibodies also attack the germs and kill him that could make you sick. Usually, rheumatoid factors are antibodies and by mistake sometime he attacked the healthy cells and tissues in your body. When it works you have an immune disorder.
Is This Test Have Other Name
Rheumatoid Factor, RA Factor, RAF, RA Blood
Related Tests:
- Anti-nuclear antibody (ANA)
- Anti CCP Antibody (Anti CCP)
- C Reactive Protein (CRP)
- Erythrocyte Sedimentation Rate (ESR)
How The test Performed
A Blood Sample Needed.
Why The Test Performed
Rheumatoid Factor test used to help diagnose rheumatoid arthritis and auto immune disorder. When you have swelling, or pain, or symptoms of arthritis your doctor may advised RA Factor Test. This test only for Rheumatoid arthritis, and cant diagnose any health problems.
Why Need This Test
You need RAF test if you have symptoms of rheumatoid arthritis. Symptoms of rheumatoid arthritis is
- Fever
- Swelling
- Joint pain
- Tenderness
- Warmth of the joint
- Joint stiffness that lasts longer than 30 minutes
- Fatigue
- Occasional low fevers
- Loss of appetite
- Problems outside of the joints that may include dry eyes or mouth
- Firm lumps under the skin
- Anemia
High level Of Rheumatoid Arthritis is,
- Auto immune disorder
- Scleroderma
- Sjogren syndrome
- Lupus
- Juvenile idiopathic arthritis in children and teens
Chronic infections
Certain types of cancer, including leukemia
Hepatitis C (liver)
Tuberculosis (mostly affects the lungs)
Endocarditis (heart)
What Do The result Means
The RA factor normal range is below 6.0 IU/ml, But many labs use different type of kits Hence their normal value may change . A positive test result of Rheumatoid arthritis indicate that was a high level of Rheumatoid Factor detect in your blood. And you have a rheumatoid dieses. A high level of Rheumatoid Factor in your blood that means you have autoimmune dieses. But many others dieses and condition can raise the Rheumatoid Factor level, Included:
- Cancer
- Chronic infections
- Inflammatory lung diseases, such as sarcoidosis
- Mixed connective tissue disease
- Sjogren’s syndrome
- Systemic lupus erythematosus
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