Vitamin A test

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Blood test

Retinol test

Normal values range from 50 to 200 mcg/dl. Normal value ranges may vary slightly among different laboratories.

Abnormal values reflect a deficiency of vitamin A that may be associated with:

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

Review Date: 03/02/2006
Reviewed By: Daniel R. Alexander, M.D., Department of Internal Medicine, St. Mary's Hospital, Leonardtown, MD. Review provided by VeriMed Healthcare Network.