TEST CATALOG ORDERING & RESULTS SPECIMEN HANDLING CUSTOMER SERVICE EDUCATION & INSIGHTS
Test Catalog

Test ID: TDP    
Thiamine (Vitamin B1), Whole Blood

Specimen Type Describes the specimen type validated for testing

Whole Blood EDTA

Shipping Instructions

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Patient Preparation: Fasting overnight (12-14 hours). Infants-draw prior to next feeding. Water can be taken as needed.

Supplies: Amber Frosted Tube, 5 mL (T192)

Collection Container/Tube: Lavender top (EDTA)

Submission Container/Tube: Amber vial

Specimen Volume: 4 mL

Collection Instructions:

1. Invert 8 to 10 times to mix blood.

2. Transfer whole blood into amber vial or tube and freeze within 24 hours of collection.

Forms

If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

0.5 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Gross lipemia Reject
Other Glass vial Clotted specimen

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
Whole Blood EDTAFrozen28 daysLIGHT PROTECTED