What does a rheumatoid factor of 100 mean?

RF Test Results In a person with signs and symptoms of early arthritis and a positive RF test: The arthritis is likely to be persistent (it won’t go away) A high RF level (in the 100s or 1000s) can mean the arthritis is more severe. It is very likely that the person has RA.

Is a rheumatoid factor of 300 high?

The likelihood of finding a healthy patient with arthrosis or soft tissue rheumatism was very low. In RA, rheumatoid nodules were significantly associated with RF with titers higher than 300 IU/ml.

What is a high number for rheumatoid factor?

What are the normal ranges for rheumatoid factor? The “normal” range (or negative test result) for rheumatoid factor is less than 14 IU/ml. Any result with values 14 IU/ml or above is considered abnormally high, elevated, or positive.

What happens if RA factor is high?

High RF levels in the blood can indicate an autoimmune condition, such as rheumatoid arthritis. An RF test is a blood test that can help diagnose rheumatoid arthritis. High RF levels can indicate rheumatoid arthritis, but this is only one aspect of a full diagnosis.

What diseases cause a high rheumatoid factor?

But a number of other diseases and conditions can raise rheumatoid factor levels, including:

• Cancer.
• Chronic infections.
• Inflammatory lung diseases, such as sarcoidosis.
• Mixed connective tissue disease.
• Sjogren’s syndrome.
• Systemic lupus erythematosus.

What does a rheumatoid factor of 60 mean?

If your level is lower than 60 U/mL, your results are considered negative and you likely don’t have RA. Levels above that may mean that you have RA or another autoimmune disease. The normal level for an older adult may be slightly higher than 60 U/mL.

How do I lower my rheumatoid factor?

The Arthritis Foundation states that foods high in fiber can reduce the amount of C-reactive protein (CRP) in your blood. This marker can indicate the level of inflammation in your body. Get more fiber in your diet with foods such as: fresh fruits and vegetables.

How do you treat high rheumatoid factor?

Treatment

1. NSAIDs . Nonsteroidal anti-inflammatory drugs (NSAIDs) can relieve pain and reduce inflammation.
2. Steroids. Corticosteroid medications, such as prednisone, reduce inflammation and pain and slow joint damage.
3. Conventional DMARDs .
4. Biologic agents.
5. Targeted synthetic DMARDs .

What does positive rheumatoid factor indicate?

Results. A positive rheumatoid factor test result indicates that a high level of rheumatoid factor was detected in your blood. A higher level of rheumatoid factor in your blood is closely associated with autoimmune disease, particularly rheumatoid arthritis.

Is a rheumatoid factor of 60 high?

What is the normal range for rheumatoid factor?

What is the normal range for Rheumatoid Factor? Type Range (IU/ml or International Units per Rheumatoid Factor (RF) Less than 14 IU/mL

What is the normal RF level for RA?

Normal ranges According to the Hospital for Special Surgery, the normal RF range is between 0–20 units per milliliter of blood (u/ml). Having RF levels above this range is not enough to diagnose RA. What do the results mean?

How often does rheumatoid factor ( RF ) show up?

Rheumatoid factor (usually IgM) is present in approximately 70% of patients with RA. Higher levels and the presence of IgG and IgA RFs correlate with more severe disease.The assay that we use is supposed to detect all classes of RF but probably detects mainly IgM.

What does it mean to have high rheumatoid factor?

Rheumatoid factor is an immune system protein that attacks healthy body cells. High levels of rheumatoid factor in the blood can indicate an autoimmune condition, such as rheumatoid arthritis. A rheumatoid factor (RF) test is a blood test that can help diagnose rheumatoid arthritis (RA). High RF levels can indicate RA,