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Choose collection locationImmunology / Serology · Individual laboratory test
Rheumatoid Factor (RA), Quantitative
Rheumatoid factor is an antibody that can support an assessment of inflammatory joint disease. It may also occur with other conditions or in healthy people.
Price for this test on its ownAED 170Test price AED 70
Clinical authorDr Nirupama SabhapathySpecialist Clinical Pathology
- Sample
- Serum
- Laboratory turnaround
- 24 hours
- Collection
- Dubai
- Laboratory
- Intel Lab
Understanding the test
What does the Rheumatoid Factor (RA) test measure?
Also called Rheumatoid Arthritis Marker
A clinician may order rheumatoid factor when persistent joint swelling, stiffness and examination findings suggest inflammatory arthritis.
When it may be requested
Investigating inflamed joints
Rheumatoid factor may support assessment when joint symptoms suggest an inflammatory disease.
Choosing complementary tests
The clinician may consider anti-CCP, inflammatory markers and examination findings.
Before your sample
Prepare for collection
SpecimenSerum
Your checklist
This measurement requires no fast. Tell the clinician about steroid, biologic or other immune-modifying treatment and the duration of your joint symptoms.
A clinician takes a small sample of blood from a vein. The laboratory uses serum, the liquid separated from the blood after it clots.
Smart Report
Understanding your result
24 hoursLaboratory turnaround
Result guideRheumatoid Factor (RA), Quantitative
Reading your result
A positive value also occurs in other conditions and sometimes in healthy people. A negative value does not end an investigation when the clinical findings remain persuasive.
What can affect it
- Rheumatoid factor can occur in other conditions, and some people with rheumatoid arthritis test negative.
From sample to follow-up
Your testing journey
Laboratory testRheumatoid Factor (RA), Quantitative
- Specimen
- Serum
- Turnaround
- 24 hours
Open your laboratory report
Look for Rheumatoid Factor (RA), Quantitative in your report. Use the sample type and collection time when comparing it with an earlier report.
Explore Smart Report
Discuss the next step
Make a note of which joints are swollen, how long stiffness lasts and any accompanying tests for your rheumatology review.
Health packages
Packages that include this test
Compare the other tests in each package before choosing.
Clinical expertise
Your laboratory team
Patient questions
Before you book
Does a negative result exclude rheumatoid arthritis?
No. Some people with rheumatoid arthritis have no detectable rheumatoid factor. The joint examination, history and other tests remain important.
Can an infection affect my rheumatoid factor result?
Yes. Some infections, including hepatitis C, can be associated with a positive rheumatoid factor. Tell your clinician about recent illness, ongoing infections and any joint swelling or morning stiffness. A positive result alone cannot establish rheumatoid arthritis.
Does a positive rheumatoid factor mean I have rheumatoid arthritis?
No. The antibody is found in several other conditions and in a proportion of healthy older adults with no joint disease. Your doctor reads it together with your symptoms, examination, imaging and other blood tests before reaching any conclusion.
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Your next step
Rheumatoid Factor (RA) test at home.
Sources & further reading
Written by Dr Nirupama Sabhapathy, Specialist Clinical Pathology. Medically reviewed by Dr Joyce Jose, Specialist Clinical Pathology, on .
Catalogue information and AED price checked on 2 November 2026. Clinical suitability, preparation, collection arrangements and turnaround are confirmed for your selected test.