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Blood Sciences

Blood Test Information

Testosterone
 
minimum sample volume required ~ 5ml

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Tube type: SST

Special instructions
None

Reference ranges
Male:

20-29 years: 9.9 - 32.1
30-39 years: 9.0 - 31.6
40-49 years: 8.1 - 31.0
50-59 years: 7.3 - 30.1
60-69 years: 6.7 - 29.0
70-79 years: 6.2 - 27.8

Female:
16-49 years: 0.3 - 2.2
50 and over: 0.1 - 2.2

Units
nmol/L

Turnaround Time
2 days

Department: Biochemistry

Clinical Application
Used in men in assessment of fertility, erectile dysfunction and response to treatment for prostatic cancer. In women used in assessment of hirsutism. Used as part of hCG stimulation test in investigation of ambiguous genitalia in infants, and in delayed puberty Test limitations: In isolated cases, elevated testosterone levels can be seen in samples from female patients with end stage renal disease (ESRD).

 
 

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