Testosterone, Free & Total, Serum

Additional Info:
Test includes total testosterone, free testosterone and % free testosterone.

Useful For:
Test is helpful in assessing testicular function in males and in managing hirsutism and virilization in females.

Methodology: Calculation, Equilibrium Dialysis, Liquid Chromatography/Tandem Mass Spectrometry

Specimen Requirements: 1 red-top tube (minimum: 0.38 mL of serum). Centrifuge red-top 30 minutes after draw. Refrigerate specimen after collection.

SST tube is not acceptable.
Hemolyzed specimens are not acceptable.
Specify age and sex on test request form.

Analytical Time: 4 days

Days Set Up: Monday through Friday

CPT Information:
84403 – Testosterone, Total
84402 – Testosterone, Free

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