Testosterone
Total Testosterone, Adult Male
Testing Information
Sample Type
Serum
Test Codes
651910
CPT Code
84403
Testing Area
Core Lab - Chemistry
Test Methodology
Abbott Alinity - Chemiluminescence Immunoassay
Reference Range
Female, 18-49 years: 13-53 ng/dLFemale, >50 years: 12-40 ng/dLMale, 18-49 years: 240-871 ng/dLMale, >50 years: 220-720 ng/dL
Expected Turnaround Time
Results Available 24 hours from Receipt
Specimen Collection Criteria
Collect one gold top SST tube (minimum whole blood: 4 mL). Let specimen clot for 30-60 minutes and then centrifuge to separate serum from cells. Refrigerate after centrifugation.
Rejection Criteria
Grossly hemolyzed specimens, quantity not sufficient, improperly labeled
Specimen Validity and Retention
Centrifuged SST Tubes:Room Temperature (20-25°C): 2-4 hoursRefrigerated (2-8°C): 7 daysFrozen (-20°C or greater): UnacceptableSerum Aliquots:Room Temperature (20-25°C): 2-4 hoursRefrigerated (2-8°C): 7 daysFrozen (-20°C or greater): 7 daysSpecimens retained for 7 days after testing
Courier Transportation
Transport centrifuged tube refrigerated (2-8°C)
Clinical Utility
Testosterone assays are used to evaluate males with erectile dysfunction, gynecomastia, and osteoporosis, among others.
Special Notes
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