Free Testosterone Test
The biologically active, unbound fraction of testosterone. Often more clinically meaningful than total.
What is Free Testosterone?
The biologically active, unbound fraction of testosterone. Often more clinically meaningful than total.
Free Testosterone Reference Range
These are the typical adult reference ranges used by major US labs. Your report will include the specific range used by the lab that processed your sample.
| Population | Range |
|---|---|
| Male, age 18+ | 47.0 – 244 pg/mL |
| Female, age 18+ | 0.100 – 6.40 pg/mL |
Reference ranges are educational. Always interpret your result with the specific range printed on your lab report and discuss anything outside the range with a clinician.
Sources
Related Hormones biomarkers
Markers commonly tested alongside Free Testosterone.
Frequently asked
No. TestWell's licensed physician network reviews and approves your order — usually within minutes. You can place an order online without an in-person visit or a referral from your own doctor.
Ready to test your free testosterone?
Order in two minutes, get physician-approved, and visit a lab the same day. Starts at $54.99.