Testosterone, Free MS/EQ Dialysis TESTMS

Synonyms

Allscripts (AEHR) Order Name

Testosterone, Free MS/EQ Dialysis

Sunrise Clinical Manager (SCM) Order Name

Testosterone, Free MS/EQ Dialysis

EPIC Order Name

Free and Total Testosterone by Mass Spectrometry/Equilibrium Dialysis

Clinical Info

This method is recommended for testing women, children, and hypogonadal men. Free testosterone is best measured by equilibrium dialysis, while total testosterone is measured by HPLC with tandem mass spectrometry

Specimen Type

Blood

Specimen Volume

2 mL of Serum

Container

2 mL of Serum (Gold Top Tube or Red-top tube Specimen)

Collection Instructions

Serum must be separated from cells within 45 minutes of venipuncture.

Transport Instructions

Refrigerated

Specimen Stability

6 Days Room Temperature
7 Days Refrigerated
2.6 Years Frozen

Methodology

Testosterone: High-pressure liquid chromatography/tandem mass spectrometry (HPLC/MS-MS)
Free testosterone: Equilibrium dialysis

Days Performed

TAT: 6 - 10 Days

Performing Laboratories

LabCorp- Endocrine Sciences

CPT

84402,84403

PDM

225709

Result Interpretation

See Report

Forms


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