VITAMIN B2 (RIBOFLAVIN)

Specimen Required
Draw blood in a lavender EDTA tube. Centrifuge, separate and send 2.0 mL plasma (0.5 mL minimum) frozen in an amber screw-capped plastic vial. PROTECT FROM LIGHT.

Rejection Criteria
SST or PST (Polymer gel separation tubes)

Methodology
High Performance Liquid Chromatography, Fluorometric Detection

Stability
Room Temperature: 4 hours; Refrigerated: 24 hours; Frozen: 30 days

Reference Range
6.2-39.0 nmol/L

Performed
Monday, Wednesday, Friday

Turnaround Time5-7 days
Test CodeVB2
CPT-4 Code (s)
84252
LOINC Codes
49038-3

Warde
Medical
Laboratory