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Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog
VITAMIN B1 (THIAMINE), BLOOD, LC/MS/MS |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB3255 Geisinger Epic ID: 47717 | |
SPECIMEN COLLECTION |
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Specimen type: |
Whole blood | |
Preferred collection container: |
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Alternate Collection Container: |
3 mL lavender-top (K2 EDTA) tube
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Specimen required: |
2 mL EDTA whole blood, protected from light. Minimum 1 mL EDTA whole blood protected from light. | |
Special notes: |
Protect specimen from light. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Transfer whole blood to amber transport tube. If amber tube is not available, wrap tube in aluminum foil to protect from light. FREEZE IMMEDIATELY. | |
Transport temperature: |
Frozen. | |
Specimen stability: |
Room temperature: 3 days. Refrigerated: 5 days. Frozen: 35 days. | |
Rejection criteria: |
Specimen not protected from light. | |
TEST DETAILS |
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CPT code(s): |
84425 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Methodology: |
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) |
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Synonyms: |
Quest test code 5042, B1,Thiamine VB1WB
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Clinical significance: |
Vitamin B1 is required for branched-chain amino acid and carbohydrate metabolism. Vitamin B1 deficiency is most often due to alcoholism or chronic illness. In the early stage, patients with vitamin B1 deficiency exhibit anorexia, irritability, apathy, and generalized weakness. Prolonged deficiency causes beriberi. | |