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Doctor insights on: Rheumatoid Factor Test Results Explained

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My rheumatoid factor test results was 8.6 what does that mean?

My rheumatoid factor test results was 8.6 what does that mean?

Uncertain: Sometimes elevated levels can be seen in totally normal individuals. Results must be interpreted only in the context of the signs and symptoms the patient is experiencing. What is more, the upper limits of normal testing can vary from laboratory to laboratory. Ask the doctor who ordered this. It measures igm anti-igg antibodies. ...Read more

Dr. Chokkalingam Siva
166 Doctors shared insights

Rheumatoid Factor (Definition)

Rheumatoid factor (rf) is a test that is often sent to evaluate a person with joint pain and stiffness. A positive rf has to be interpreted in the context of the patients symptoms. Sometimes the + rf is false, and not clinically related to the patients symptoms. Rf can be +ve in other conditions such as infections and certain cancers. Some patients with rheumatoid arthritis ...Read more


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What are rheumatoid factor and other blood test results that suggest lupus?

What are rheumatoid factor and other blood test results that suggest lupus?

ANA, Sm, antidsDNA: Laboratory tests are important but not the only factor in diagnosing lupus. Generally the screening test is for anti-nuclear antibodies (ANA) more specific tests are antibodies to sm antigen and double stranded dna. ...Read more

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What does a positive rheumatoid factor test result mean?

What does a positive rheumatoid factor test result mean?

Auto-immune response: Rheumatoid factor is one of the auto-immune responses, however, it may also develop as a some what normal respose to infection. Any lab test needs to be evaluated in the context of the whole clinical picture and a positive rheumatoid factor, by itself, is not diagnostic of any disease. It supports a diagnosis rheumatoid arthritis and other auto-immune disorders. ...Read more

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What does a result of <10 for a rheumatoid factor blood test? Normal range for the test was 0-13.9

What does a result of <10 for a rheumatoid factor blood test? Normal range for the test was 0-13.9

RF: Well it could mean nothing because a lot of healthy people have positive RF, also it just could be an active phase reactant which increases in setting of stress, inflammation or infection. So having said that we should know why it has been checked? I don't see any joint pain or swelling in your history. ...Read more

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I had a blood test to rule out arthritis. My doctor said it was normal. He sent my results it shows rheumatoid factor-quantative-in house <10 iu ml?

I had a blood test to rule out arthritis. My doctor said it was normal. He sent my results it shows rheumatoid factor-quantative-in house <10 iu ml?

Normal values: Less than 40-60 u/ml consider to normal. A low number (normal result) generally means you do not have rheumatoid arthritis or sjogren syndrome. However, these conditions still can still occur in some people who have have a "normal" or low rheumatoid factor (rf). ...Read more

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My rheumatoid factor blood test report is negative. It is 4.7 but my ESR is 55mm/hr. I have joint pains for 2 years. I am 32 year old female. What do these results tell me?

My rheumatoid factor blood test report is negative. It is 4.7 but my ESR is 55mm/hr. I have joint pains for 2 years. I am 32 year old female. What do these results tell me?

It depends: A rheumatologist is experienced in examining your joints. This would help determine if your joints are inflamed. The ESR of 55 is elevated. This is a non-specific measure of inflammation. It may or may not relate to your joint pains. A minority of patients with rheumatoid arthritis do not have a positive rheumatoid factor. ...Read more

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Cost of a rheumatoid factor test or panel?

Variable: Several online sites to order your own cash pay which are generally cheaper than in a hospital. Reputable one is lifeextension. Com. Can google others: "online lab tests". ...Read more

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What does a mildly positive rheumatoid factor test indicate?

It depends: A rheumatoid factor (RF) is a non-specific result. It can be positive in Rheumatoid Arthritis and a variety of other conditions. Many have a positive RF and have no disease at all (false positive). What's most important is your symptoms. Certain patterns of joint pain, stiffness and fatigue can be related to rheumatoid arthritis for example. Then the positive RF is significant. ...Read more

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What are the distinctions between rheumatoid factor test and ANA test?

What are the distinctions between rheumatoid factor test and ANA test?

See below: Both are autoimmune tests used to screen for autoimmune disease. A rheumatoid factor is used to screen for rheumatoid arthritis and ANA or antinuclear antibody test is used to screen for ana-associated autoimmune diseases such as lupus. ...Read more

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I did rheumatoid factor test and got 208 ui/ml what does that mean?

Rheumatoid factor: Did you also ask a question about c3? The two together indicate active autoimmune disease. You should see a theumatologist if you have not done so yet. It may explain your joint pain and stiffness. ...Read more

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If my rheumatoid factor was negative does that mean the ccp blood test will likely be negative as well?

If my rheumatoid factor was negative does that mean the ccp blood test will likely be negative as well?

Yes: Rheumatoid factor and anti-CCP antibodies are commonly found in patients with rheumatoid arthritis (RA). If a patient with RA has +RF and +CCP, it indicates they will likely have a more aggressive disease.

Usually, both RF and CCP are positive in RA. It is RARE to have CCP positive without +RF. ...Read more

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Can you still have rheumatoid arthritis with a negative rheumatoid factor test?

Can you still have rheumatoid arthritis with a negative rheumatoid factor test?

Yes: While the vast majority of patients with RA have a positive rf, a certain percentage do not. Typically, the younger the patient, the better the chance the rf may be negative, depsite a clinical diagnosis of ra. ...Read more

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I went to get tested to see if I have rheumatoid arthritis and the result came back positive. What does Rheumatoid Factor H12 mean? < 10 kU/L (range)

I went to get tested to see if I have rheumatoid arthritis and the result came back positive. What does Rheumatoid Factor H12 mean? < 10 kU/L (range)

Slight elevation: This is a slight elevation of your Rheumatoid factor WHICH IS SEEN IN A LOT OF DISORDERS BESIDES heumatoid arthritis! You should see a Rheumatologist for a more complete work-up!
Hope this helps
Good Luck

Dr Z ...Read more

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What does a mildly positive rheumatoid factor test indicate if the doctor thinks you don't have arthritis?

There are nearly 5%: There are nearly 5% of the population with a positive rf, but only 1% has ra. Therefore 80% of rf that are positive are "false positives." most are very low in titer. A higher level of rf positivity is more significant, since level does correlate with higher disease activity in ra. Less common causes for rf positivity include sjogren's syndrome, sarcoid, and others, but these are much less common. ...Read more

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I have elevated rheumatoid factor and elevated sed rate, but negative ccp test. I have the symptoms of ra. Could this be ra?

I have elevated rheumatoid factor and elevated sed rate, but negative ccp test. I have the symptoms of ra. Could this be ra?

Could be: A person is not required to be both rf and ccp positive to have ra. Indeed, a person can have both tests negative and still have ra. This happens about 20% of the time. Negative ccp might in some people suggest the disease is less severe. ...Read more

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What can you tell me about the treponemal tests (e.g. fta-abs test for antinclear antibodies, rheumatoid factor, and hypergammaglobulineia and le cell test)?

What can you tell me about the treponemal tests (e.g. fta-abs test for antinclear antibodies, rheumatoid factor, and hypergammaglobulineia and le cell test)?

Plenty: And more than even the best of us can put into 400 characters. Please get with a reliable online source. FTA-ABS tests for the treponemes of syphilis but is not an antinuclear antibody; none of the others are tests for treponemes / syphilis. If you tested positive for any of these beyond FTA-ABS, the interpretation is subtle and best handled by your rheumatologist or general doctor ...Read more

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Results of my Rheumatoid panel: Rheumatoid factor 9, CCP <16, and ETA Protein 0.2 H.....Doctor says negative for RA, but I am concerned about my ETA.?

Results of my Rheumatoid panel: Rheumatoid factor 9, CCP <16, and ETA Protein 0.2 H.....Doctor says negative for RA, but I am concerned about my ETA.?

Labs for arthritis: Are not black versus white or positive versus negative but are a guide to help make a diagnosis sure certain things like ra positive or more obvious but there are many things that are collections of partial values or markers are used to indicate extent of disease having a slightly positive ETA does not mean you have a systemic problem it just means that that protein is found in your system ...Read more

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Blood work results: "elevated rheumatoid factor & ccp c/w ra; elevated jo 1 (34h) & anti histone (1.2h) antibodies, mng" what should this mean to me?

Blood work results: "elevated rheumatoid factor & ccp c/w ra; elevated jo 1 (34h) & anti histone (1.2h) antibodies, mng" what should this mean to me?

See a rheumatologist: The rf and ccp would suggest RA strongly: the jo-1 can go along with polymyositis, but your rheumatologist would need to see if they thought you have that. ...Read more

Dr. James Chapman
40 Doctors shared insights

Rheumatism (Definition)

"rheumatism" is an older term, not used much today. Most people are referring to pain and swelling in the joints when they use this term. People may mean something different when they use this term in contrast to when they refer ...Read more