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St. John Health System
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Testosterone Free and Total w/SHBG, LCMS

Order Name TEST FT LCMS
Test Number: 3602546
Revision Date 11/07/2023
Test Name Methodology LOINC Code
Testosterone, Total
Liquid Chromatography/Tandem Mass Spectrometry 2986-8 
Testosterone, Free
Calculation 2991-8 
Sex Hormone Binding Globulin
Chemiluminescence Assay 13967-5 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5 mL) Serum Clot Activator SST Refrigerated
Instructions Recommended for Women, children under 13 years of age, hypogonadal males, or patients undergoing anti-androgenic therapies.
Preferred to separate serum from cells ASAP or within 2 hours of collection into Two separate aliquots.
Stability: Refrigerated 7 Days, Frozen 30 days.
GENERAL INFORMATION
Testing Schedule Mon-Fri 
Expected TAT 2-5 Days 
CPT Code(s) 84403, 84270
Internal Comments 6/7/17 - updated to include availablity for males. - JLS
6/13/17 added: Recommended for Women, children under 13 years of age, hypogonadal males, or patients undergoing anti-androgenic therapies. -JK
4/29/19 changed name from Testosterone Total, Free with SHBG LCMS to Testosterone Free and Total w/SHBG, LCMS - JK
11/7/23 added spin separate
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Chemistry