Vitamin E
| Category | Biochemistry | |||||
|---|---|---|---|---|---|---|
| Test background |
Vitamin E is an antioxidant. Deficiency may occur in some malabsorption syndromes, eg. Crohn's disease and rare disorders of fat metabolism. Vitamin E deficiency is usually characterised by neurological problems due to poor nerve conduction (presentation of ataxia is typical). |
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| Clinical Indications |
Malabsorption syndromes Patients on parenteral nutrition Neurological investigations |
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| Reference range |
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| Sample & container required | SST (gold top), serum (red top) or heparin (green top). Samples should be protected from light. | |||||
| Sample volume | 0.5 mL | |||||
| Turnaround time | 2 weeks | |||||
| Notes | Freeze samples immediately after separation and protect from light. Samples can be shipped frozen or sent by First class post. If the sample previously had been aliquoted and stored frozen, please send us the sample frozen. This is to prevent erroneous results caused by exposure of the sample to more than one freeze thaw cycle. Due to a method change on 28th January 2025, we are not currently accredited for this test. An application for assessment will be submitted. |