Rheumatoid Factor Blood Test

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Feature	Labcorp	Quest Diagnostics
Price	$9.99	$8.49
Results in	~2 business days	~5 business days
Sample type	Blood Serum	Blood Serum
Require fasting	No	No

About the test

Rheumatoid Factor (RF) is an autoantibody that targets the body’s own tissues, commonly associated with rheumatoid arthritis. Elevated levels can support the diagnosis of autoimmune conditions, though RF may also be present in other inflammatory diseases or in healthy individuals.

Included biomarkers & Reference ranges

Biomarker	Reference range
Rheumatoid Factor Measures rheumatoid factor, an autoantibody often found in rheumatoid arthritis, used with other tests to help evaluate joint pain and inflammation.	—

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

How it works

1. Order online No referral or insurance
2. Get a requisition By email in 24–72 hours
3. Visit a draw center Bring a matching photo ID
4. Get results Securely by email

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Consultations

Not sure how to read your results? We can help.

Schedule a consultation with a Hormunity specialist. We’ll walk through every marker, interpret what it means for you, and map out the next steps for your care.

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