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Published on February 11, 2019

Vitamin B1, Whole Blood *

SIM

15427

CPT

84425 

Synonyms

Thiamine 

Specimen Type

Whole Blood protected from light 

Container

Lavender-top (EDTA) tube 

Collection Instructions

PROTECT FROM LIGHT

Volume

Volume: 1 ml. 
Min. volume: 0.5 ml.

Additional Information

Assessment of thiamine deficiency

Patient Preparation

Collect before breakfast and before patient takes any medications

Specimen Processing Instructions

Once the specimen has been received in the lab, do NOT centrifuge. Transfer the whole blood to a Lab Corp aliquot tube.

Transport Requirements

Freeze

Specimen Stability

Frozen : 14 days

Rejection Criteria

 Plasma; Thawed specimen; specimen not protected from light;  use of  anticoagulants other than EDTA 

Reference Range

Reference range accompanies report

Critical Value

 

Test Includes

Vitamin B1

Methodology

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

Testing Frequency

 

LCA

121186 

Reviewed By

Lisa McBride                   

Reviewed Date

2/11/2019

Supplemental

*   Denotes Reference Lab Test

Reviewed by Lisa McBride on February 11, 2019

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