Top
10
Doctor insights on: Rheumatoid Factor Blood Test

Share
1

1
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

Dr. Chokkalingam Siva
157 doctors shared insights

Rheumatoid Factor (Definition)

An "rf" is a blood test used to screen a person for the possibility of several autoimmune diseases, including rheumatoid arthritis. It is important to remember that this is a screening test. A positive result only indicates more testing may be warranted, and a negative result does ...Read more


3

3
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

5

5
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

6

6
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

See 1 more doctor answer
10

10
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

Dr. Ravi Chand
1 doctor shared a insight

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