Vitamin A deficiency, or are at risk for a deficiency. When you are at risk for vitamin A deficiency or toxicity.
To detect vitamin A deficiency or toxicity
When you have a vitamin A deficiency, or are at risk for a deficiency
Fasting is required. Alcohol should not be consumed 24 hours prior to sample collection.
Note: The medical information provided here in this website is for informational purposes only and is not to be used as a substitute for professional medical advice, diagnosis or treatment.
