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VITAMIN E, SERUM
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Test Code
LAB130
CPT Codes
84446
Preferred Specimen
Adult: One red top tube
Pediatric: 2 red top microtainers
Pediatric: 2 red top microtainers
Patient Preparation
Fasting preferred (12-14 hours)
Minimum Volume
0.5 mL Serum
Instructions
Sample must be: (1) Centrifuged within 2 hours of collection, (2) Serum removed and (3) Refrigerated.
Transport Temperature
Refrigerated
Specimen Stability
Refrigeration preferred -stable 14 days
Frozen allowed - stable 14 days
Frozen allowed - stable 14 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, moderate and grossly lipemic
Methodology
Liquid chromatography/tandem mass spectrometry using a Laboratory Developed test (LDT)
Setup Schedule
Tuesday and Friday
Reference Range
5.0-18.0 mg/L
Significant Deficiency: < 3.0 mg/L
Significant Excess: > 40.0 mg/L
Significant Deficiency: < 3.0 mg/L
Significant Excess: > 40.0 mg/L
Clinical Significance
Evaluating individuals with motor and sensory neuropathies. Monitoring vitamin E status of premature infants requiring oxygenation.
Evaluating persons with intestinal malabsorption of lipids.
Evaluating persons with intestinal malabsorption of lipids.
Performing Laboratory
West Virginia University Hospital, Inc.