Test library
Total Testosterone Blood Test
The total testosterone test measures the overall amount of testosterone in the blood, including bound and unbound forms. It is used to check for levels that are too high or too low and to evaluate symptoms linked to low testosterone.
Order Total Testosterone Testing
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Total Testosterone Testing- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The total testosterone test measures the total amount of testosterone circulating in the blood. This includes testosterone attached to proteins and the small unbound fraction. It is a common first test when symptoms suggest a hormone imbalance, such as low energy, reduced libido, or mood changes, and results are interpreted by a qualified healthcare provider.
What this test measures
Testosterone is a sex hormone produced mainly by the testes in men and by the ovaries and adrenal glands in women. Total testosterone captures both the protein-bound portion and the free portion. Because symptoms of low or high testosterone can overlap with other conditions, the test is used as one piece of a broader evaluation rather than a stand-alone answer.
A blood sample is drawn, usually in the morning when testosterone is at its peak. The laboratory reports a total testosterone value and a reference range that varies by age and sex. A single low or high result is often repeated, since sleep, stress, illness, and timing can shift the number from day to day.
Clinicians order total testosterone testing to look into low libido, fatigue, mood changes, fertility concerns, or signs of hormone excess. It may also be used to monitor a known condition. The result does not diagnose a disorder on its own; a qualified healthcare provider evaluates it with symptoms and other findings.
- Total testosterone
- Free testosterone (when added)
- Sex hormone-binding globulin (SHBG)
- Luteinizing hormone (LH)
- Follicle-stimulating hormone (FSH)
- Estradiol
- Prolactin
- Albumin
Why people order this test
- Check for low testosterone
- Investigate possible high testosterone
- Evaluate low libido, fatigue, or mood changes
- Assess fertility concerns
- Monitor a known hormone condition
- Establish a baseline before further testing
How to prepare
Collection is usually done in the morning when testosterone is at its highest. Fasting may be requested if the test is combined with other panels. Follow the timing instructions provided by the laboratory.
Understanding your results
Results are typically available within one to three business days. The report shows the total testosterone level and its reference range, which varies by age and sex. A qualified healthcare provider interprets the value with symptoms and any related tests.
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Connecticut
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Florida
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Georgia
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Hawaii
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Idaho
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Frequently Asked Questions
What does the total testosterone test measure?
It measures all testosterone in the blood, both the portion bound to proteins and the free portion, giving an overall level.
Why is morning collection preferred?
Testosterone levels are highest in the morning, so collecting then gives a more consistent and comparable result.
Can a single result be relied on?
A single value can vary with sleep, stress, and illness, so a provider may repeat the test to confirm an abnormal result.
Does this test measure free testosterone too?
No. It measures total testosterone. Free testosterone requires a separate test or a calculation using other values.
Do I need to fast?
Fasting is not always required, but it may be requested when the test is combined with other panels. Follow the laboratory's instructions.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
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Every page on this site is reviewed for clarity, sourcing, and accuracy. We update our library as testing options, collection networks, and accreditation standards change.