Posted Date
Effective Date
Test Name
Testosterone, Total and Free
Update Type
Test Methodology Changed
CPT Code
84402, 84403
Order Code
MTGRP
TEST METHODOLOGY CHANGE
Testosterone, Total and Free
Order Code: MTGRP
Fee Code: AA480, AA479
Reference Laboratory: Mayo TGRP
Mayo Clinic Laboratories will update the test methodology from Equilibrium Dialysis to Equilibrium Dialysis/Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) effective June 30, 2022. This update will result in changes to the age and sex specific reference ranges.