Home


VITB2 / VITB2-M
VITAMIN B2 (RIBOFLAVIN), PLASMA

Test Code VITB2 / VITB2-M 
Test VITAMIN B2 (RIBOFLAVIN), PLASMA 
Methodology Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) 
Description Useful for evaluation of persons who present the well-known signs of ariboflavinosis. 
Specimen Draw blood in a green-top (lithium or sodium heparin) tube following an overnight 12 -14 hour fast (infants draw prior to next feeding). (PLASMA GEL TUBE IS NOT ACCEPTABLE.) Spin down and send .50 mL (minimum: 0.25 mL) of heparinized plasma refrigerated in plastic vial. PROTECT SPECIMEN FROM LIGHT. 
Reference Values Normal: 1-19 mcg/L 
Analytic Time 2 Days 
Day(s) Test Set Up Tuesday, Thursday 
CPT Code(s) 84252