Product Code: LVE
Vitamin E is a fat-soluble vitamin. There are eight forms of vitamin E, however, the most biologically active form is d-alpha-tocopherol. The best defined role for vitamin E is an antioxidant for unsaturated fatty acids in cell membranes. It is also important in energy metabolism and synthesis of RNA, DNA, and red blood cells. It acts as an antioxidant in the lungs against smog. Vitamin E is absorbed in the presence of bile in the small intestine. Deficiency of vitamin E may result in hemolysis of RBC's, sterility, higher risk for heart disease and stroke.
The RDA is 22 I.U. A suggested supplemental range is 100 to 1000 I.U. A toxic range has not been established, but 4000 I.U. and higher should be taken with caution.
Specimen required is 0.5 mL of serum protected from light and shipped in an amber plastic tube.
Doctors who wish to order kits, please call our lab directly to set up an account before ordering. 316-684-7784
Process time: 5 to 7 business days
Process method: The methodology is by HPLC.
CPT code: 84446
Special instructions: None
Rejection causes: Gross Hemolysis
Patient prep: None
Specimen volume: 0.5 mL serum; light protected
Minimum volume: 0.2 mL
Collection container: SST or red-stopper tube
Transport container: Amber plastic transport tube
Transport instructions: Refrigerate or freeze
Normal values: The normal range established in our laboratory is 0.6 to 2.7 mg/dL.
Reference one: Tietz Textbook of Clinical Chemistry, 3rd ED., 1999, Saunders Company;p1005-6.
Reference two: McCormick DB, Wright LD., Eds.: Vitamins and coenzyme. Methods in Enzymology. Vol. 18, part C. New York, Academic Press, Inc., 1971.
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