RA FACTOR (IGM) - TTSH Rabbit epithelium RANDOM URINE PORPHYRIN - NUH Rapeseed (Canola) RAPID CLOSTRIDIUM DIFFICILE TOXIN - SGH Rapid TissueMARK - Lucence rAra h 2 (recombinat, peanut) Raspberry Red Blood Cell Count RED CELL ABID ACID ELUTION/SP RED CELL ABID ACID ELUTION/SP NR RED CELL ABID ACID ELUTION/SP PR RED CELL DIRECT COOMBS TEST RED CELL DIRECT COOMBS TEST NR RED CELL DIRECT COOMBS TEST PR Red Cell Indices (MCV, MCH, MCHC) RED CELLS AUTO AB ID RED CELLS AUTO AB ID NR RED CELLS AUTO AB ID PR RENAL BIOPSY - EM - SGH RENAL BIOPSY - IMF - SGH RENAL BIOPSY - LM - SGH Renal Function - Basic (Electrolytes, Urine FEME & Urine Culture) Renal Function - Basic (Urine FEME, Urine Culture, Uric Acid & Total Cholesterol) Renal Function - Comprehensive Renal Function - Comprehensive with Total Cholesterol, Uric Acid & Urine FEME Renal Screen - Basic (Electrolytes) RENIN (PLASMA RENIN ACTIVITY) - CGH RENIN (PLASMA RENIN ACTIVITY) - NUH RESP SYNCYTIAL VIRUS CFT - SGH RESPIRATORY MULTIPLEX RT - PCR - KKH Respiratory Panel PCR - QIAstat-Dx RESPIRATORY PATHOGENS PANEL PCR - SGH RESPIRATORY PNEUMONIA ANTIGEN PANEL -SGH RESPIRATORY VIRUS ANTIGEN PANEL 1 - SGH RESPIRATORY VIRUS ISOLATION - SGH Reticulocyte Count Rheumatoid Factor Rice RICKETTSIA SEROLOGY PANEL - NUH RIS COFACTOR - SGH RISCOCETIN COFACTOR ASSAY - NUH ROTA VIRUS ANTIGEN (EQA) - SGH rTri a 19; Omega-5 Gliadin (recomb, Wheat) Rubella IgG Antibody Rubella IgM Antibody Rye