RF (rheumatoid factor)
$30.00
This test measures the level of a substance called rheumatoid factor (RF) in your blood. It helps your healthcare provider determine if you have rheumatoid arthritis (RA). RF is an autoantibody that responds to inflammation caused by RA.
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This test measures the level of a substance called rheumatoid factor (RF) in your blood. It helps your healthcare provider determine if you have rheumatoid arthritis (RA). RF is an autoantibody that responds to inflammation caused by RA.