Serum Vitamin A: A blood test called serum vitamin a level is the standard test for vitamin a deficiency. Spectracell laboratories offers a different type of test that involves culturing white blood cells that assesses functional deficiencies of vitamin a and other vitamins.
Answered 7/30/2012
5.8k views
7 doctors weighed in across 3 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question