RA (RHEUMATOID) FACTOR QUANTITATIVE

What this test checks

Measures the amount of rheumatoid factor antibody in your blood. Higher levels can support a diagnosis of rheumatoid arthritis.

Why do people get this test?

Standard test when joint pain and swelling raise suspicion of rheumatoid arthritis.

When you should consider this test

• Joint pain and stiffness, especially morning stiffness
• Swollen hand or finger joints
• Family history of rheumatoid arthritis

How to prepare

No fasting needed.