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Rheumatoid Factor

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Rheumatoid Factor

This add-on measures the level of rheumatoid factor (RF) in your blood, an antibody often associated with autoimmune conditions, particularly rheumatoid arthritis. Elevated RF levels can indicate joint inflammation or immune system dysfunction—even if symptoms are subtle or not yet noticeable.

Read our complete guide to Rheumatoid Factor →

$4.50

Original: $15.00

-70%
Rheumatoid Factor

$15.00

$4.50

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Description

This add-on measures the level of rheumatoid factor (RF) in your blood, an antibody often associated with autoimmune conditions, particularly rheumatoid arthritis. Elevated RF levels can indicate joint inflammation or immune system dysfunction—even if symptoms are subtle or not yet noticeable.

Read our complete guide to Rheumatoid Factor →