Vitamin B1

Test Code: TD_4952

CPT Code(s): 84425

$39

Test Details

Alternative Name(s)

Thiamine
Vitamin B-1

Test Includes

Vitamin B1

Methodology

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Rejection Criteria

Room temperature samples
Refrigerated samples
Samples collected in glass tubes

Reference Range(s)

64-201 NMOL/L

Specimen Requirements

Preferred Specimen

EDTA Lavender Top Tube

Minimum Volume

0.5 mL Whole Blood

Sample Stability

Unacceptable room temperature
unacceptable refrigerated
1 month frozen

Transport Temperature

Critical Frozen (CFZ)

Collection Instructions

Collect 2 mL EDTA whole blood. Transfer 2 mL whole blood to a plastic transport tube. Clearly label tube as EDTA whole blood. Freeze. Critical Frozen (CFZ).
When multiple tests are ordered, submit separate tube for this test.

Alternative Specimen

2 mL Sodium or Lithium Heparin Green Top Whole Blood. Transfer 2 mL whole blood to a plastic transport tube. Clearly label tube as heparin whole blood. Freeze. Critical Frozen (CFZ).
When multiple tests are ordered, submit separate tube for this test.