Estradiol, Free

Estradiol, Free - A significant portion of Estradiol is attached to proteins. The fraction that is unbound, along with Estradiol bound to proteins with low affinity, indicates the free concentration. Free Estradiol might have a stronger correlation with medical conditions compared to Total Estradiol concentrations.

Test Details Includes:

Estradiol, Free

Estradiol, Ultrasensitive, LC/MS

Preferred Specimen(s):

1 mL serum collected in a red-top tube (no gel)

Minimum Volume:

0.5 mL

Methodology:

Chromatography/Mass Spectrometry • Equilibrium Dialysis