Test Catalog

Test

Code
E739
Name
VITAMIN B1 (THIAMINE) WHOLE BLOOD
Description
Also known as
922, VB1, REPLACES TKL (TRANSKETOLASE), THIAMINE
Orderable Code
E739
Test Contains (LOINC)
Vitamin B1 Whole Blood(74444-1)
Sample Type
Whole Blood
Preferred Container
EDTA (Lavender Top) Tube
Alternate Container
Sodium Heparin (Green Top) Tube or Lithium Heparin (Green Top) Tube
Sample Volume
2.0 mL
Minimal Sample Volume
0.5 mL (does not allow for repeat testing)
Handling Instructions
CRITICAL FROZEN. Collect sample and transfer to a transport tube. Freeze immediately. Note: Do not freeze in glass tube.
Client Transport Temperature
Critical Frozen
Specimen Stability
Frozen: 1 Month
Unsuitable Specimen
Ambient or refrigerated specimens.
Frequency
Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Expected Turn Around
3 – 5 Days
Referral Lab
SRL
Referral Lab Code
E739
CPT
84425
Methodology
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)