Laboratory Medicine Program

Rheumatoid Factor
(RF)

Clinical Decription:
RF is associated mainly with rheumatoid arthritis but may also be present in subacute bacterial endocarditis, chronic liver disease, tropical infections, tuberculosis, and sarcoidosis.

Method: Immunoturbidimetric; Abbott Alinity-c

Component Tests Used: n/a

Reference Ranges Used:
<30 IU/mL | 30-50 IU/mL = weak positive

Specimen Type: Serum
Volume: 3 mL (minimum: 1 mL)

Shipping: 2-8°C

Special Instructions: n/a

Testing Schedule(s): Monday to Friday.

Turnaround Time: 3 days

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For more information, call 416.340.5227 or 1.866.865.5227

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