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HelpTestosterone, Total
Performing Lab(s)
Memorial-Belleville only
Specimen Requirement (s)
Specimen: plasma (preferred) or serum
Type: Container/Tube: Mint green (LiHep) tube (preferred), SST (gold or marble) or plain red top
Specimen Volume: 2 mL
Specimen Minimum Volume: 1 mL of plasma
Collection Instructions: NA
Lab instructions: NA
Day(s)/Shift(s) Test Set Up and Turnaround Time
Sunday through Saturday
Hours: 24 hours
Turnaround Time:
STAT: 60 minutes
Routine: less than 8 hours from receipt
Transport and Stability
Transport temperature: Ambient to lab
Reference Values
Male:
20-49 years: 249 -836 ng/dL
> 50 years: 193 - 740 ng/dL
Females:
21-49 years: 8.4 - 48.1 ng/dL
> 50 years: 2.9 - 40.8 ng/dL
CPT/LOINC Codes
84403
Interpretive Data
Total testosterone values may not reflect optimal concentrations in all individuals. Free or bioavailable testosterone measurements may provide supportive information.