Vitamin E

Message
Sendout, Mayo test code: VITE


Test Code
LAB130


Alias/See Also
Alpha-tocopherol
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


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis: Reject
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


Performing Laboratory
Mayo Clinic Laboratories, Rochester, Minnesota

Additional Information
Vitamin E, Serum


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.