Measuring Free Estradiol in Serum

The lab analyst measures the level of free estradiol, which is not bound to proteins, using a method such as equilibrium dialysis on a specimen such as serum. Free estradiol may better reflect the impact of estradiol, an estrogenic hormone, on hormonally–mediated medical conditions related to ovarian status. Choose a location to see hospital-reported price summaries. This page does not show national, sample, or aggregate pricing.