Rheumatoid Factor (RF)
Rheumatoid factor evaluates immune reactivity directed against other circulating immunoglobulins in joint wellness assessments.
Test your personal value
Enter the number from your lab report to instantly see how it compares to reference ranges.
Physiological Reference Ranges
The ranges below represent standard adult physiological values. Your laboratory's printed reference range always takes precedence.
0 – 14 UI/mL
0 – 14 UI/mL
0 – 14 UI/mL
What does a low result mean?
A negative reading under 14 UI/mL is the expected, reassuring baseline.
What does a high result mean?
A low positive titer is very common with healthy aging or following simple seasonal viral infections without joint disease.
Questions ready for your doctor
Bring these questions to your next consultation to discuss with your healthcare practitioner:
- Does this align with my current joint comfort and daily mobility?
- Would an anti-CCP antibody test offer more specific clarity?
- Is repeat testing necessary if I experience no joint symptoms?
Do you have a full blood test report?
Upload your lab document (PDF or image) to get an instant, clear explanation for every biomarker at once.
Important information — Medical notice
ScanMyLab is for informational purposes only. It does not provide a diagnosis and never replaces the advice of your doctor or laboratory.