17 ordering services comparedPrices last checked 19 hours ago
Measures the level of 25-hydroxyvitamin D in the blood, the best indicator of overall vitamin D status. Used to diagnose vitamin D deficiency or toxicity, monitor supplementation, and assess risk for bone loss.
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.