Vitamin B1, blood

Alphabetical Test listing

Vitamin B1, blood-13379

Test name:

Vitamin B1, blood

Test number:

13379

Excellian order number:

LAB13379

Abbreviation:

VB1

Alternate names:

B1 vitamin, whole blood
Thiamine
Thiamine, whole blood

Useful for:

The assessment of thiamine deficiency

Specimen type:

EDTA whole blood

Collection container:

Lavender (EDTA), 4mL

Volume:

1.0 mL

Minimum volume:

0.5 mL

Collection instructions:

Immediatley following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

Processing instructions:

Do not spin or separate
Transfer whole blood to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as EDTA whole blood
Freeze

Transport container:

Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)

Transport and stability:

Frozen (strict) - 14 days

Freeze/thaw cycles - stable x6

Reason for rejection:

Use of anticoagulants other than EDTA plasma

Performing lab:

LabCorp Burlington (121186): R-LC

Days set up:

Daily

TAT:

4 - 7 days

Method:

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Reference ranges:

66.5−200.0 nmol/L

CPT codes:

84425

LOINC code:

Result 32554-8

Date created:

04/11/2019

Revised date:

06/13/2023

Review date:

05/30/2023