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Testosterone
minimum sample volume required ~ 5ml
Test Code: TES
Tube type: SST
Other acceptable tube types
Lithium heparin (pale green)
Special instructions
None
Reference ranges
Male 19+ years: 6 - 27
Female 19+ years: <2.7
No range is quoted for patients under 19 years old.
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).
