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Vitamin E
MessageSendout, Mayo test code: VITE
Test Code
LAB130
Alias/See Also
Alpha-tocopherol
VITE
VITE
CPT Codes
84446
Preferred Specimen
0.5 mL serum from a red tube. Protect from light.
Patient Preparation
Fasting overnight (12-14 hours) (infants-draw prior to next feeding)
Minimum Volume
0.25 mL
Other Acceptable Specimens
Serum gel tube
Instructions
Within 24 hours of collection, centrifuge, and aliquot serum into an amber vial to protect from light.
Transport Container
Amber vial
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated (preferred): 44 days
Frozen: 44 days
Ambient: 7 days
Frozen: 44 days
Ambient: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis: Reject
Gross lipemia: Reject
Gross icterus: OK
Gross lipemia: Reject
Gross icterus: OK
Methodology
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
FDA Status
Approved
Setup Schedule
Monday through Friday
Report Available
3-5 days
Limitations
Testing of nonfasting specimens or the use of vitamin supplementation can result in elevated serum vitamin concentrations. Reference values were established using specimens from individuals who were fasting.
Reference Range
Included with report
Clinical Significance
Evaluation of individuals with motor and sensory neuropathies
Monitoring vitamin E status of premature infants requiring oxygenation
Evaluation of persons with intestinal malabsorption of lipids
Monitoring vitamin E status of premature infants requiring oxygenation
Evaluation of persons with intestinal malabsorption of lipids
Performing Laboratory
Mayo Clinic Laboratories, Rochester, Minnesota
Additional Information
Vitamin E, Serum