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Test Code RA Rheumatoid Factor, Serum

Performing Laboratory

MaineGeneral Medical Center

Reference Values

0-15 IU/L

Specimen 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.

Day(s) Test Set Up

Monday through Friday

Test Classification and CPT Coding

86431