Daily Health Headlines

Rheumatoid Factor (RF)

👤by AP 0 comments 🕔Friday, November 11th, 2016

What Is Rheumatoid Arthritis (RA)?

Rheumatoid arthritis (RA) is an autoimmune disease that causes chronic inflammation of the joints. Autoimmune diseases are illnesses that occur when the body's tissues are mistakenly attacked by their own immune system. The immune system contains a complex organization of cells and antibodies designed normally to "seek and destroy" invaders of the body, particularly infections.

Rheumatoid factor (RF) facts

Rheumatoid factor is an antibody that is detectable in the blood of approximately 80% of adults with rheumatoid arthritis. Rheumatoid factor test is used by health-care professionals to help in diagnosing rheumatoid arthritis. Sometimes rheumatoid factor can be detected in the blood of normal individuals and of those with other autoimmune diseases that are not rheumatoid arthritis. In people with rheumatoid arthritis, high levels of rheumatoid factor can indicate a tendency toward more aggressive disease and/or a tendency to develop rheumatoid nodules and/or rheumatoid lung disease.

What is rheumatoid factor?

Readers Comments 10 Share Your Story

Rheumatoid factor is an antibody that is measurable in the blood with a routine blood test. Rheumatoid factor is actually an antibody that can bind to other antibodies. Antibodies are normal proteins in our blood that are important parts of our immune system. Rheumatoid factor is an antibody that is not usually present in the normal individual. Because rheumatoid factor antibody binds to normal antibodies, it can be generally referred to as an autoantibody. Health-care professionals use the rheumatoid factor test to assist in the diagnosis of rheumatoid arthritis.

Rheumatoid factor is sometimes abbreviated as "RF."

What is the normal range 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.

For what is the rheumatoid factor test used?

Most commonly, rheumatoid factor is used as a blood test for the diagnosis of rheumatoid arthritis. Rheumatoid factor is present in about 80% of adults (but a much lower proportion of children) with rheumatoid arthritis.

Medically Reviewed by a Doctor on 11/11/2016

Article Credits / Source

AP / MedicineNet.com

AP wrote this story for MedicineNet.com. MedicineNet.com provides up to the minute breaking health news. Click here to view this full article from MedicineNet.com.

View More Articles From AP 🌎View Article Website

Sponsored Product

Lunar Sleep for $1.95

Lunar Sleep for $1.95

People who have trouble sleeping typically have low levels of melatonin, so melatonin supplements seem like a logical fix for insomnia. There is a high demand for sleep aids, especially in the U.S. The National Health Interview Survey done in 2002, and again in 2007, found 1.6 million US adults were using complementary and alternative sleep aids for insomnia. Lunar Sleep was a top choice. Use Promo Code: Sleep2014 and only pay $1.95 S&H.

Get Lunar Sleep for $1.95

More Arthritis Articles

Delays in Lupus Care Seen Among Minorities, Less Educated

Delays in Lupus Care Seen Among Minorities, Less Educated0

FRIDAY, Nov. 18, 2016 (HealthDay News) -- Delays in lupus treatment are more common among Americans who are black, Asian or are less educated, a new study finds. Lupus is a chronic autoimmune disease in which inflammation affects the skin, ...

Having Rheumatoid Arthritis May Increase Heart Risk

Having Rheumatoid Arthritis May Increase Heart Risk0

TUESDAY, Nov. 15, 2016 (HealthDay News) -- People with rheumatoid arthritis may have an increased risk for a heart attack, stroke and other heart disease-related problems, a new study suggests. Researchers examined data from 353 rheumatoid ...

Health Tip: Keep Psoriatic Arthritis Fatigue in Check

Health Tip: Keep Psoriatic Arthritis Fatigue in Check0

(HealthDay News) -- Fatigue is a common problem for people with psoriatic arthritis. According to the National Psoriasis Foundation, some studies indicate that half of all psoriatic arthritis patients have moderate-to-severe fatigue. The ...

Osteoarthritis Symptoms

Osteoarthritis Symptoms0

Comment by William C. Shiel Jr., MD, FACP, FACR Common osteoarthritis symptoms and signs Symptoms of osteoarthritis vary greatly from patient to patient and they depend on the severity of cartilage loss and the joint(s) affected. Many people ...

Health Tip: Help Ward Off Gout

Health Tip: Help Ward Off Gout0

(HealthDay News) -- When your body builds up unhealthy levels of uric acid -- a natural byproduct of your body's cells -- it may lead to a type of arthritis called gout. The American Academy of Family Physicians says there are things you can do ...

View More Arthritis Articles

0 Comments

Write a Comment

Your email address will not be published. Required fields are marked *

Our Mailing List

Subscribe to our mailing list to get the latest health news as it breaks!

Your information will not be shared with anyone!