Definition
What Total Testosterone measures
Total testosterone is the combined bound and unbound testosterone in blood. Most is carried on SHBG and albumin; only a small fraction is immediately available to tissues.
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HormonesEssentialCompleteng/dL
Total Testosterone
Bound plus unbound circulating androgen
Illustrative sample band · Synthetic
248ng/dL
195Sample target 400–900 ng/dL969
Why it matters
How clinicians usually read it
It is the standard first androgen number. Morning collection, sleep, illness, and binding proteins all move it, so one value is a starting point, not a verdict.
When it reads low
A lower value can mean
A lower total can accompany sleep loss, illness, caloric deficit, pituitary or testicular issues, or normal aging. Symptoms and repeat morning testing matter.
When it reads high
A higher value can mean
A higher total can be physiologic, supplement-related, or — rarely — a signal to look for another endocrine cause. Exogenous androgens change the interpretation entirely.
Questions for a clinician
Bring the number into a real conversation
01
Was this an early-morning draw, and should it be repeated before acting?
02
Do we need binding proteins or free testosterone to interpret this?
03
Which symptoms, if any, are you mapping to this number?
Educational boundary
Educational information only. Displayed ranges are illustrative sample bands, not a diagnosis, treatment plan, or substitute for the contracted laboratory report and a qualified clinician.
See it as a sample result
The sample dashboard shows an illustrative reading, target band, and trend for Total Testosterone.