15 ordering services comparedPrices last checked 19 hours ago
Measures the level of vitamin A (retinol) in the blood. Used to evaluate vitamin A deficiency or toxicity, particularly in cases of malabsorption or excessive supplementation.
These are online lab ordering services — not the physical draw site. Once you purchase a requisition, you visit a nearby Quest or LabCorp patient service center for your blood draw. Prices are self-pay cash rates and may vary by location.