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Test Directory


Testosterone Total, Adult Male

Order Name TESTOS TO
Test Number: 3602650
Revision Date 06/15/2018
Test Name Methodology LOINC Code
Testosterone Total, Adult Male
Chemiluminescence Assay 2986-8 
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Serum Clot Activator SST Refrigerated
Alternate 1 1 mL (0.5) 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
Testing Schedule Mon-Fri 
Expected TAT 1-2 days  
Clinical Use Useful for evaluation of males with erectile dysfunction, gynecomastia, osteoporosis, infertility, delayed or precocious puberty and monitoring replacement therapy. Evaluation of women with hirsutism, virilization and oligomenorrhea and infants with ambiguous genitalia and/or virilizing syndromes. 
Notes For Females and Children 13 years and under use the following test code:
Testosterone Total by LCMS [3602651]
CPT Code(s) 84403
Lab Section Chemistry