Lab Provider:
Testosterone, Free and Total, MS
Morning appointment
Preferred for TRT/high total T
Quest describes this as its most precise free testosterone option: equilibrium dialysis with total testosterone measured by LC/MS-MS.
Uses equilibrium dialysis to assess the free-testosterone fraction and measures total testosterone with mass spectrometry (MS). This is a different assay family from calculated free-testosterone tests.
1 test, 2 biomarkers
Select a biomarker to view details
$15via Quest Diagnostics
$15via Quest Diagnostics