THIAMINB1
Vitamin B1 (Thiamine), Whole Blood
EPIC Test Procedure Code: LAB3439
Synonyms:
Thiamine
Thiamin Diphosphate (TDP)
Performing Lab:
Referral Laboratory
Patient Preparation:
1. Patient should fast overnight (12-14 hours); infants should have specimen collected just before next feeding. Water can be taken as needed.
2. For 12 hours before specimen collection, patient should not take vitamin supplements.
Container Type:
Lavender top (EDTA) tube
Specimen Type:
Whole blood EDTA
Preferred Volume:
4 mL
Minimum Volume:
0.5 mL
Specimen Processing:
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.
Store and Transport:
Frozen Light Protected (DO NOT SEPARATE)
Stability:
Frozen - 28 days
Unacceptable Condition:
Gross Lipemia
Glass Vial
Clotted Specimen
CPT Codes:
84425 - Vitamin B1 Thiamine (EAP 30021141)
Test Schedule:
Monday Through Friday
Turnaround Time:
4 to 7 Days
Method:
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)