Biomarker education
Testosterone: What It Measures & Why People Track It
Also called: Total testosterone
Total testosterone measures this hormone's overall concentration in the blood.
General biomarker education — not personalized medical advice. Learn more
Result on your report
IllustrativeTestosterone
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Range: Low – High
What it generally measures
Labs report total testosterone, which includes both protein-bound and unbound (free) portions.
Common units on reports: ng/dL
Why people track it over time
Testosterone naturally varies by time of day and can be affected by many factors — people often compare same-time-of-day draws over a series of visits.
Changes over time do not by themselves establish a diagnosis. Learn more
Questions you might ask a healthcare professional
Questions to bring
IllustrativeRelated markers
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