Includes Alpha-Tocopherol and Beta-Gamma-Tocopherol
Useful For: Deficiency of Vitamin E may cause extensive neuropathy in young children and, in addition, is suspect as a possible cause of motor and sensory neuropathy in older children and in adults. One likely cause of Vitamin E deficiency is intestinal malabsorption, resulting from bowel disease, pancreatic disease, or chronic cholestasis. Other causes of malabsorption of Vitamin E include celiac disease, cystic fibrosis, and intestinal lymphangiectasia.
Methodology: High-Pressure Liquid Chromatography (HPLC)
1 yellow-top SST tube (minimum: 0.6 mL of serum) drawn following an overnight (8-10 hour) fast. Centrifuge SST 30 minutes after draw. Wrap in foil to protect from light. Refrigerate specimen after collection.
Analytical Time: 4 days
Days Set Up: Monday through Friday
84446 – Tocopherol alpha (Vitamin E)
84591 – Vitamin, not otherwise specified