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Testosterone, Free, Mass Spectrometry/Equilibrium Dialysis

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$440.00

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Free testosterone is the fraction of total testosterone that is not bound to circulating proteins. The free fraction is available to diffuse into target cells to interact with receptors or enzymes. The concentration of free testosterone is low relative to total testosterone, typically <3% of the total testosterone concentration. Total circulating testosterone is bound to sex hormone-binding globulin (SHBG) or albumin. Measurement of total and free testosterone is key in diagnosis of androgen excess or deficiency. Free testosterone is best measured by equilibrium dialysis, while total testosterone is measured by HPLC with tandem mass spectrometry.

Test #500726

Testosterone, Free, Mass Spectrometry/Equilibrium Dialysis

Additional Info

Preparation No Fasting Required.
Test Type Blood
Test Results 7-8 days.

Details

7-10 business days

Additional Info

Also Known As No
Quick Overview

Free testosterone is the fraction of total testosterone that is not bound to circulating proteins. The free fraction is available to diffuse into target cells to interact with receptors or enzymes. The concentration of free testosterone is low relative to total testosterone, typically <3% of the total testosterone concentration. Total circulating testosterone is bound to sex hormone-binding globulin (SHBG) or albumin. Measurement of total and free testosterone is key in diagnosis of androgen excess or deficiency. Free testosterone is best measured by equilibrium dialysis, while total testosterone is measured by HPLC with tandem mass spectrometry.

Preparation No Fasting Required.
Test Type Blood
Test Results 7-8 days.
Retail Price $454.00
Meta Keywords No
Meta Description No