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Vitamin B1 Thiamine

Specimen Container

lav

Specimen Collection Type

Whole bl

Minimum Volume To Collect (Ml)

3 mL

Stability

Ambient Stability: 48 hrs
Refrig Stability: 7 days
Frozen Stability: 6 Months

Unacceptable Conditions

Any specimen other than whole blood. Plasma separator tubes. Glass tubes. Clotted or nonfrozen specimens.

Preferred Transportation Temperature

FROZEN

Remarks

Whole blood is the preferred specimen for thiamine assessment. Approximately 80 percent of thiamine present in whole blood is found in red blood cells.

Performed

Sun-Sat

Reported

2-5 days

Methodology

Quantitative High Performance Liquid Chromatography (HPLC)/Liquid Chromatography-Tandem Mass Spectrometry

Lab Department

Core

Testing Location

IHC

Synonyms

TPP
VITB1
Thiamin Pyrophosphate
B1 Vitamin
Thiamine Diphosphate
Thiamine
TDP
0080388
Thiamine Pyrophosphate

Test OR Panel

Test

Misc Instructions

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Unit of Measurement

nmol/L

CPT Codes

84425

LOINC

32554-8

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