Vitamin A test

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Retinol test

Normal values range from 50 to 200 micrograms per deciliter.

Note: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

Lower than normal values indicate a vitamin A deficiency, which may be associated with:

• Developmental aberrations of bones or teeth in young children
• Dry or inflamed eyes
• Hair loss
• Inadequate absorption of fats from the intestinal tract
• Loss of appetite
• Malabsorption syndrome (for example, celiac disease, sprue)
• Night blindness
• Recurring infections
• Skin rashes

Review Date: 11/15/2009
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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