Vitamin A test
Alternate Names : Retinol test
Normal Values
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.
What do Abnormal Results Mean?
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
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