Sample type: Serum

Test name: Free Testosterone a.k.a. Calculated free testosterone

Condition / Indication: Endocrine

Special precautions & notes: Calculated in males when testosterone and SHBG are requested together. In males, please collect samples at 9am due to effects of diurnal variation.

Reference range: Adult Males age 18+ years: 0.17 – 0.66 nmol/L

Container: Serum (Gold top)

Ideal volume (mL): 5 mL

Referred outside NBT for analysis? No

Discipline: Clinical Biochemistry

Section: Automated Laboratory

Turnaround time: 7 days