VITAMIN B1 (THIAMINE),WHOLE BLOOD
Draw blood in a Green top sodium heparin tube (ALT: Whole Blood/EDTA). Transfer 2.0 mL whole blood to an amber screw-capped plastic vial (indicate whole blood and tube type on vial) and freeze. Contact lab for dry ice; once received, ship frozen specimen to lab.
PROTECT FROM LIGHT. CRITICAL FROZEN
Frozen 2 months
1-3 days Performed Mon-Thurs