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Blood test
Blood test


Vitamin A test

Alternative Names:
Retinol test

Normal Values:

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

Note: mcg/dl = microgram per deciliter

What abnormal results mean:

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: 3/2/2006
Reviewed By: Daniel R. Alexander, M.D., Department of Internal Medicine, St. Mary's Hospital, Leonardtown, MD. Review provided by VeriMed Healthcare Network.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 2004 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

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