E-Z-Hd is part of the Contrast Agents class and treats Diagnosis. Contrast agents are used for diagnostic procedures. They work by aiding in the visualization of different body parts and functions. E-Z-Hd is only available as a brand name drug. Get E-Z-Hd for as low as $1,047,201.30, save up to 80% off the average retail price for the most common version, by using a GoodRx coupon.