Test Directory: R Rabies Neut. Abs Titrat.(RFFIT) Rapid Plasma Reagin (RPR) Test With Reflex to Quantitative RPR and Confirmatory Treponema Pallidum AntibodiesRenal Function Panel Renal PathologyRenin Activity and AldosteroneReticulocyte, AutomatedReverse T3, SerumRheumatoid Factor, QuantitativeRubella Antibodies, IgG