Rheumatoid Factor is a topic covered in the Davis's Lab & Diagnostic Tests.

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Common Use:
To primarily assist in diagnosing rheumatoid arthritis.

Serum collected in a gold-, red-, or red/gray-top tube.

Normal Findings:
(Method: Immunoturbidimetric) Less than 14 international units/mL. Elevated values may be detected in healthy adults 60 yr and older.

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