Testosterone Free Blood Test, Equilibrium Ultrafiltration With Total Testosterone, LC/MS-MS

The Testosterone Free Blood Test, Equilibrium Ultrafiltration With Total Testosterone, LC/MS-MS evaluates hirsutism and masculinization in women; evaluate testicular function in clinical states in which the testosterone-binding proteins may be altered (obesity, cirrhosis, thyroid disorders).

Quest
LabCorp

Sample Report

Test Code: 070038

CPT Code: 84402, 84403

Also Known As:

Methodology: Free: equilibrium ultrafiltration; total: liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Specimen Type: Blood

Preparation: No special preparation required.

Test Results: 7-8 days. May take longer based on weather, holiday or lab delays.

Description

The Testosterone, Free, Serum (Equilibrium Ultrafiltration) With Total Testosterone test may be used to diagnose hirsutism in women or assist in the evaluation of testicular function when obesity, cirrhosis or thyroid disorders may alter testosterone binding proteins. The Testosterone, Free, Serum (Equilibrium Ultrafiltration) With Total Testosterone test uses the equilibrium ultrafiltration and the immunochemiluminometric assay (ICMA) technology to measure both the bound and unbound levels of testosterone in the blood.

Methodology

Free: equilibrium ultrafiltration; total: liquid chromatography/tandem mass spectrometry (LC/MS-MS)