Vitamin A test

Alternative names:

retinol test

Normal values:

• 50 to 200 mcg/dl

Note: mcg/dl = microgram per deciliter

What abnormal results mean:

A deficiency of vitamin A 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)