Test Code RF Rheumatoid Factor, Plasma or Serum
Specimen Requirements
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (lithium heparin) tube(s) or a plasma gel tube(s). Spin down and send 1 mL of lithium heparin plasma refrigerated.
Note: 1. Indicate plasma on request form.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a plain, red-top tube(s) or a serum gel tube(s). Spin down and send 1 mL of serum refrigerated.
Note: 1. Indicate serum on request form.
2. Label specimen appropriately (serum).
Performing Laboratory
Conway Regional Clinical Laboratory ServicesReference Values
<14 IU/mLMethodology
Turbidimetric Inhibition ImmunoassayDay(s) Test Set Up
Monday through SundayAvailable STAT