Test Code RA Rheumatoid Factor, Serum
Performing Laboratory
MaineGeneral Medical CenterReference Values
0-15 IU/LSpecimen Requirements
Draw blood in a serum gel tube(s). For pediatric specimen, draw blood in a red-top MICROTAINER(S)®. (Grossly hemolyzed or lipemic specimen is not acceptable.) Spin down and send 1 mL of serum refrigerated.Note: Label specimen with patient’s name (first and last), date of birth, date and time of draw, and phlebotomist’s initials.