**Note: All laboratory testing requires an authorizing physician. DHA Laboratory offers a Patient Direct Program that partners you with an authorizing physician. If you have any additional questions regarding the availability of testing, please contact our laboratory by telephone or email.**
Glucose is used by cells to make energy and is also the main blood sugar. Since glucose is very essential to your cells, the body manages it in many different ways. The most common of those ways is insulin. Insulin delivers glucose to cells throughout the body.
Patient Preparation: Patient should fast for 12 hours.