Pathology

Test & Collection Guide

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Vitamin B1

Alternate names:

Thiamine

Laboratory:

Referred Test

Test Code:

VITB1

Specimen types:

Blood

Container types:

Lithium heparin no gel

Collection Instructions:

Transport specimen at Room Temperature to lab

Wrap specimen in foil to protect from light

Minimum Adult Volume:

2 mL

Notes:

Consult dietitian before requesting vitamin assays on inpatients.

Specimens for vitamin assays must be taken before dietary changes are implemented

Frequency:

Weekly

Result Turnaround Time:

7-10 days

Reference Interval:

66-200 nmol/L

Laboratory Use Only

Storage Instructions:

Do not spin.

Pack in foil and protect from light, send at 4^oC.

Also suggest Red Cell Transketolase for Vitamin B1

- this requires EDTA whole blood

External Laboratory:

St Vincents Hospital

External Laboratory details...