Thiamine (Vitamin B1), Whole Blood | KK Women's and Children's Hospital

Specimen Container	EDTA tube
Specimen Requirement	Fasting specimen Whole Blood EDTA 3 mL
Specimen Storage/Transport	Transfer whole blood into amber vial or tube to protect from light and freeze within 24 hours
Orderable as Urgent?	No
Testing Laboratory Location	NUH
Laboratory	Mayo Medical Laboratories in Rochester
Contact Number	6394 1352
Day and Time Performed	Mon - Fri: 0800 hrs to 1700 hrs
Orderable on CPOE?	No
Downtime Form	Clinical Chemistry - Form A
Additional Information	Assessment of thiamine deficiency Thiamine measurement in patients with behavioral changes, eye signs, gait disturbances, delirium, and encephalopathy; or in patients with questionable nutritional status, especially those who appear at risk and who also are being given insulin for hyperglycemia

Change History Notes

Last Updated - 05 Apr 2025