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St. John Health System
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Index:

Testosterone Free and Total w/SHBG, Adult Male

Order Name TEST FTS M
Test Number: 3602545
Revision Date 06/04/2021
Test Name Methodology LOINC Code
Testosterone Total, Adult Male
Chemiluminescence Assay 2986-8 
Testosterone Free (Males)
Calculation  
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
Alternate 1 1 mL (0.5 mL) Serum Clot Activator (Red Top, No-Gel) Refrigerated
Instructions Not Recommended for Females and Children 13 years and under

Preferred to separate serum from cells ASAP or within 2 hours of collection.
Stability: Ambient 8 hrs. Refrigerated 7 days. Frozen > 7 days, Frozen 3 months
GENERAL INFORMATION
Testing Schedule Mon-Fri 
Expected TAT 1-2 days 
Notes For Females and Children 13 years and under use the following test code:
Testosterone Free and Total with SHBG by LCMS [3602546]
CPT Code(s) 84403, 84270
Internal Comments 3/27/17 - updated female/child test code - jls
6/15/18 chng Stability After separation from cells: Ambient: 8 hours; Refrigerated: 1 week; Frozen: 30 days.
Stability: Ambient 8 hrs. Refrigerated 7 days. Frozen > 7 days  JK
4/29/19 changed name from: Testosterone Total, Free, SHBG, Males (Adult)  to Testosterone Free and Total w/SHBG, Adult Male
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Chemistry