RF IgA Calibrator: component catalog number 12833, lot number 11118586, exp. 28 DEC 2012; EL-RF/3: kit catalog number 303-305, lot number 11118583, exp. 28 NOV 2012.
RF IgA Calibrator, a component of the EL-RF/3 Rheumatoid Factor Test Kit; an in vitro diagnostic; TheraTest Laboratories, Lombard, IL 60148; component catalog #12833, kit catalog #303-305. The TheraTest EL-RF/3 is intended as an aid to the diagnosis of Rheumatoid Arthritis (RA).