New England · Rheumatoid Factor (RA) Test - Arthritis
Rheumatoid Factor (RA) Test - Arthritis in Massachusetts
This page explains the rheumatoid factor (ra) test - arthritis, what it measures, and how to order it. The Rheumatoid Factor (RA) test measures a protein in your blood that may indicate an autoimmune condition like rheumatoid arthritis.
What this test is
Rheumatoid Factor (RF) is an antibody that can be present in the blood of individuals with certain autoimmune diseases. Elevated levels of RF are commonly associated with rheumatoid arthritis, though it can also be found in other conditions.
What it measures
- Rheumatoid Factor (RF) — reflects the presence of an antibody often associated with autoimmune conditions
What the test involves
This test is performed on a blood sample, which is typically drawn from a vein in your arm. The blood is then sent to a laboratory for analysis.
Why it is often ordered
A clinician may order this test to help diagnose rheumatoid arthritis or other autoimmune disorders. It can also be used to monitor the progression of these conditions.
Preparation
No special preparation is usually required for this test. However, you should always follow any specific instructions provided by the laboratory where you will be having your blood drawn.
How results are reported
Results are typically reported as a numerical value or as detected/not detected. Reference ranges, which indicate the normal expected values, vary between laboratories.
Before you go
- What is the typical turnaround time?
- Are there any specific preparation instructions?
- How will my results be reported?
Cities
Rheumatoid Factor (RA) Test - Arthritis in Massachusetts communities
Choose your city for local context and to request this test.