This comprehensive testosterone panel measures both total testosterone and free testosterone—the biologically active form. Essential for evaluating hormone status in both men and women.
Testosterone is the primary male sex hormone, though women produce it in smaller amounts too. Total testosterone includes both testosterone bound to proteins (SHBG and albumin) and free testosterone. Only free testosterone can enter cells and exert biological effects.
This comprehensive panel measures both forms because total testosterone alone can be misleading. A man with normal total testosterone but high SHBG may have low free testosterone, explaining symptoms of low T. Conversely, low total testosterone with low SHBG may have adequate free testosterone.
In men, testosterone regulates libido, muscle mass, bone density, fat distribution, and mood. In women, it affects libido, energy, and muscle/bone health. Both too much and too little testosterone can cause symptoms.
Price
$32
Results
2-3 days
Lab Network
Quest
Fasting
Not Required
What's Measured
What This Test Measures
This test measures: (1) Total testosterone (ng/dL) - all testosterone in blood, and (2) Free testosterone (pg/mL or calculated percentage) - the biologically active, unbound fraction.
Who Should Consider This Test
Men with symptoms of low testosterone (fatigue, low libido, erectile dysfunction), women with symptoms of high testosterone (acne, excess hair growth, irregular periods), anyone evaluating hormone status, athletes monitoring hormone levels, and those on testosterone therapy.
Health Insights
Conditions Screened
Related Symptoms
When to Get Tested
No fasting required, but test in the morning (7-10 AM) when testosterone levels peak in men. For women, any time is acceptable. Wait at least 24 hours after last testosterone injection if on therapy.
Understanding Your Results
Normal ranges vary by age and sex. Men: Total testosterone 300-1000 ng/dL, Free testosterone 5-21 pg/mL. Women: Total testosterone 15-70 ng/dL, Free testosterone 0.3-1.9 pg/mL. Interpretation depends on symptoms and should include both values.
What to Expect
After placing your order, you'll receive an email from Rupa Health (our lab order partner) within 24 business hours to sign a consent form and schedule your blood draw at a Quest Diagnostics location.
The blood draw typically takes just a few minutes. Results are usually available within 2-3 business days and will appear in your secure Justlabs dashboard.
Our results include reference ranges and easy-to-understand indicators showing whether your values are within normal limits.
Frequently Asked Questions
$32
Typical hospital cash price: $120–$180
+ $28 in standard lab & physician fees at checkout (no additional bills later)
$18 lab collection + $10 physician order
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