Home
HelpTestosterone Free, Adult Male
Icon & Photos
Gold Top (SST-Gel)
Specimen Requirements
Preferred:
Container/Tube: Gold Top (SST-Gel)
Minimum Volume: 1.0 mL
Collection Instructions: Centrifuge within 2 hours
Also Acceptable:
Container/Tube: Green (lithium heparin)
Specimen Stability
Ambient: 48 hours
Refrigerate: 1 week
Frozen: 2 months
Reference Range
Male:
14-15 years: 3-138 pg/mL
16-17 years: 38-173 pg/mL
18 years and older: 47-244 pg/mL
Tanner Stage IV: 35-169 pg/mL
Tanner Stage V: 41-239 pg/mL
Methodology
Quantitative Electrochemiluminescent Immunoassay
CPT
84402
Lab Handling
Collect specimen between 6-10 a.m. Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.4 mL)
Storage and Transport Temperature
Refrigerated.
Turn Around Time
Performed
Sun-Sat
Reported
Within 24 hours
Test Alias
- Free testosterone
- serum testosterone free