Rheumatoid Factor (RF) for Rheumatoid Arthritis
The rheumatoid factor (rf) is among the laboratory tests healthcare providers may use to investigate Rheumatoid Arthritis. Learn what it measures, how to prepare, and what results can tell a provider. Educational content only - not a diagnosis.
Order a Rheumatoid Factor (RF) Test
Lab testing is available through our partner network. Order online and visit a local collection site. No doctor's order or insurance required.
- Sample type
- Blood
- Typical turnaround
- 1-2 business days
- Preparation
- No special preparation required.
Why the rheumatoid factor (rf) may be ordered for Rheumatoid Arthritis
Helps evaluate rheumatoid arthritis and other autoimmune conditions.
When evaluating Rheumatoid Arthritis, a healthcare provider may order the rheumatoid factor (rf) alongside other tests based on your symptoms, history, and physical exam. Test selection and result interpretation are clinical decisions made by a qualified professional.
Symptoms associated with Rheumatoid Arthritis
Fatigue
A subjective feeling of tiredness characterized by a lack of energy and motivation....
Fever
Body temperature elevated above the normal range....
Hand Pain
Pain in the hands, which can be caused by arthritis, nerve compression, or overuse....
Joint swelling
Information about Joint swelling....
Morning Stiffness
Joint or body stiffness that is worst in the morning and improves with movement, which can be a sign of inflam...
Symmetric Joint Pain
Joint pain and swelling affecting the same joints on both sides of the body, characteristic of rheumatoid arth...
Wrist swelling
Information about Wrist swelling....
Other tests used to investigate Rheumatoid Arthritis
ANA (Antinuclear Antibodies)
Screens for autoimmune diseases such as lupus....
Ana Blood Test
The Antinuclear Antibody (ANA) blood test is used to determine the cause and the appropriate treatment of arth...
Autoimmune Disorder Panel
Order Autoimmune Disorder Panel.com online through our partner and visit a local lab near you....
CBC with Differential
Measures red blood cells, white blood cells, and platelets to help evaluate overall health and detect disorder...
Crp Test C-Reactive Protein
This blood test measures levels of CRP to help indicate if cases of inflammation or infection are occurring. I...
Esr Test
The erythrocyte sedimentation rate (ESR) blood test, also called a sedimentation rate or sed rate, is used to ...
Frequently Asked Questions
Is the rheumatoid factor (rf) used to investigate Rheumatoid Arthritis?
Yes - the rheumatoid factor (rf) is among the tests healthcare providers may consider when evaluating Rheumatoid Arthritis. Helps evaluate rheumatoid arthritis and other autoimmune conditions. Test selection is a clinical decision made by a qualified professional.
How should I prepare for the rheumatoid factor (rf)?
No special preparation required.
How long does the rheumatoid factor (rf) take?
Results for the rheumatoid factor (rf) are typically available within 1-2 business days depending on the laboratory.
Does this website interpret my rheumatoid factor (rf) result?
No. SymptomDatabase.com does not interpret laboratory results. Discuss all results with a qualified healthcare provider.