Comprehensive Testosterone Test

$159

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Male hormone check: Get a complete picture with our comprehensive testosterone test

Testosterone is responsible for many essential male functions and characteristics—from your sex drive to your muscle mass. Some men experience symptoms when their free testosterone is low—even if their total testosterone is normal—which is why measuring both free and total testosterone can give you more answers.¹

Our comprehensive testosterone test provides insights on albumin and sex hormone-binding globulin (SHBG), total and free testosterone levels. Albumin and SHBG are proteins associated with testosterone and influence how much testosterone is available for bodily functions. By measuring albumin and SHBG, you get an accurate assessment of the free testosterone level in the body. Knowing albumin and SHBG levels alongside total and free testosterone can help you and your healthcare provider understand if your symptoms may be associated with high or low testosterone levels.

Note: This testosterone test is only clinically appropriate for individuals assigned male at birth (AMAB). If you’re an individual assigned female at birth (AFAB) seeking a testosterone test, please contact your healthcare provider.

Comprehensive Testosterone Test

$159

Test Details

Sample Type: Blood

Collection Method: In person at a Labcorp location

Age: 18+

Results: 1 day from when your sample arrives at our lab

HSA/FSA: Accepted

Test must be taken by purchaser

Preparation: If you’re taking a supplement containing biotin (also called vitamin B7 or B8, vitamin H or coenzyme R), commonly found in products promoting nail, skin and hair health, we recommend that you wait at least 72 hours from your last dose before taking the test.

It is recommended that your blood sample is collected between 7 a.m. and 10 a.m. when testosterone levels are typically highest.

What's Tested

Total Testosterone

Testosterone is a key hormone that is responsible for regulating sex drive (libido), bone mass, fat distribution, muscle mass and production of red blood cells and sperm. This test measures the total amount of testosterone in your blood, including the testosterone that’s both attached and not attached to proteins (albumin and sex hormone-binding globulin).
Free Testosterone

Free testosterone refers to the portion of testosterone that is not bound to proteins (albumin and sex hormone-binding globulin) and is readily available for use in the body. It is the active form of testosterone that regulates sex drive (libido), bone mass, fat distribution, muscle mass and the production of red blood cells and sperm.
Albumin

Albumin is a protein that circulates in the blood and plays several roles. It provides nourishment to the tissues, carries substances like hormones and drugs in the blood and helps keep fluids within the blood vessels. Low levels of albumin may indicate malnutrition or a disease of the liver, thyroid or kidneys, among other conditions. Higher than normal levels of albumin may suggest dehydration or other underlying health issues. Additionally, albumin is a factor used to calculate the free testosterone level.
Sex Hormone-Binding Globulin (SHBG)

SHBG is a protein produced mainly in the liver that attaches to sex hormones in your bloodstream. Its primary function is to regulate the amount of active sex hormones in your body. When SHBG binds to sex hormones, like testosterone, they become inactive and cannot be used by your tissues. Only the sex hormones that are "free," or unattached to proteins like SHBG, can be utilized in the body. By measuring the level of SHBG in your body, you can accurately calculate free testosterone levels.

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Experiencing symptoms of low testosterone (T)?

Potential symptoms include a lowered sex drive (libido), erectile dysfunction, loss of facial or body hair, loss of muscle mass, thinning bones, enlarged breasts, unexplained anemia, low sperm count and reduced energy.

Potential signs and symptoms include a lowered sex drive (libido), erectile dysfunction, loss of facial or body hair, loss of muscle mass, thinning bones, enlarged breasts, unexplained anemia, low sperm count and reduced energy.

Low testosterone (Low T) is more common than high testosterone in men. Low testosterone levels can lead to a variety of symptoms that can vary from person to person.

Symptoms of low testosterone levels may include:

Reduced sex drive and/or erectile dysfunction
Low sperm counts and potential male infertility
Increased body fat, including breast enlargement
Decrease in testicle size
Loss of muscle mass and strength
Decreased endurance
Depressed mood
Difficulty concentrating
Reduced bone density

Symptoms of high testosterone levels may include:

Acne
Headaches
Hair loss
Mood swings
Sleep issues
Weight gain

These symptoms could also be caused by other conditions. It is recommended to consult with a healthcare provider if you have any questions about your results or symptoms.

Monitor and optimize testosterone levels

For those making lifestyle changes or working to boost their hormone health, this testosterone test can help you keep tabs on your testosterone levels and establish a baseline. Aging, obesity, taking certain medications and other health conditions like liver and kidney disease, sleep disorders, type 2 diabetes, and HIV can contribute to lower testosterone levels.²

Concerned about testosterone levels declining?

It’s normal for testosterone levels to decrease with age or with the use of certain medications like corticosteroids or opiate pain medication. If you’re worried about your hormone levels, this test can help evaluate if symptoms such as changes in sex drive (libido), less energy, or reduced muscle mass or strength are related to your total and free testosterone levels.

1. Antonio L, Wu FC, O’Neill TW, et al. Low Free Testosterone is Associated with Hypogonadal Signs and Symptoms in Men with Normal Total Testosterone. J Clin Endocr Metab. 1 Jul 2016; 101(7):2647-2657.

2. Endocrine Society. Hypogonadism in Men. Updated January 24, 2022. Accessed April 22, 2024. https://endocrine.org/patient-engagement/endocrine-library/hypogonadism.

3. Harvard Medical School. Testosterone, aging and the mind. Published January 1, 2008. Accessed April 2, 2024. https://www.health.harvard.edu/newsletter_article/testosterone_aging_and_the_mind.

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Purchase Your Test

Simply purchase this test online. A healthcare provider will review and approve your test requests; no healthcare provider visit is required.

Provide Your Sample

Visit a Labcorp location near you for sample collection. Visits may be scheduled online.

Get Your Results

View your easy-to-read results online in your Labcorp Patient™ account, including Linked Accounts. For certain results that require prompt attention, you will also be contacted by phone or mail.

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Understand Total vs Free Testosterone

Not all testosterone in the bloodstream is equally available for your body to use. Learning about the difference between total testosterone and free testosterone can help you better understand how this hormone may be impacting certain aspects of your health.

A young adult man sitting outside on a set of steps looking at his phone, reading about the difference between total testosterone and free testosterone

Ask the expert: How does testosterone affect my health?

To help you learn more about testosterone, we sat down with Irene Cheung, MSN, APRN, FNP-C, a family nurse practitioner and clinical lead at Labcorp, who answered your top questions about this important hormone.

A Black male doctor wearing glasses sitting at a desk across from a young adult male patient discussing the role of testosterone in men’s health

FAQ

Total testosterone and free testosterone tests are two different measurements of the male sex hormone testosterone found in the blood.

A total testosterone test is often ordered by health care providers as an initial evaluation for low testosterone and it can provide a broader picture of your hormone health. It measures the total testosterone in your blood, including the testosterone that’s both attached and not attached to proteins. A free testosterone test measures the “free” testosterone that’s not bound to proteins and can be used by the body.³

Our testosterone blood test measures total testosterone levels, which is a great starting point for assessing hormonal health. Our test does not measure free testosterone. Any abnormal results should be discussed with a health care provider to determine next steps.
Our comprehensive testosterone blood test measures total testosterone, albumin and SHBG levels and calculates free testosterone to help assess and provide insights on hormonal health.

Albumin and SHBG are proteins associated with testosterone. Testosterone is more tightly bound to SHBG than albumin. Higher levels of SHBG may indicate lower levels of free testosterone that are available for your body’s use. Conversely, lower SHBG levels may result in higher free testosterone levels.

Any abnormal results or concerning symptoms should be followed up with your healthcare provider to determine next steps.
The frequency of testing depends on your health status and if you are experiencing symptoms associated with low or high testosterone. Your provider may recommend repeat testing or additional tests to learn more about what may be causing your symptoms and/or the change in your testosterone level.

Any abnormal results or concerning symptoms should be followed up with your healthcare provider to determine next steps.
Low testosterone (Low T) is more common than high testosterone in men. Low testosterone levels can lead to a variety of symptoms which can vary from person to person. If you are experiencing low T levels, you may notice:

Reduced sex drive and/or erectile dysfunction
Low sperm counts and potential male infertility
Increased body fat, often including breast enlargement
Decrease in testicle size
Loss of muscle mass and strength
Decreased endurance
Depressed mood
Difficulty concentrating
Reduced bone density

These symptoms could also be caused by other conditions. It is recommended to consult with a healthcare provider if you have any questions about your results or symptoms.
Some healthy habits that can help support your testosterone levels include:

Exercising regularly
Eating a healthy well-balanced diet
Maintaining a healthy weight
Limiting stress
Optimizing sleep quality
Avoiding excessive alcohol and drug use

Consult with your healthcare provider to discuss the results of your testosterone levels blood test and next steps.
Your results will be provided to you through our secure online portal to view or print. Results are also made available through a secure portal to the independent healthcare provider who placed your test order. If you are accessing your results through your Labcorp Patient™ account, all users linked to the account will have access to all OnDemand test results. Results may also be provided to a local, state, and/or federal health authority; for example, many states require the testing laboratory and physician to report test results for certain communicable diseases, such as COVID-19, to local or state health departments.

If you have questions or comments regarding the Labcorp Notice of Privacy Practices, or have a complaint about our use or disclosure of your PHI or our privacy practices, please contact: privacyofficer@labcorp.com, call us at (877) 234-4722 (877-23-HIPAA) and ask for the Labcorp HIPAA Privacy Officer, or send a written request to: HIPAA Privacy Officer, Labcorp, 531 South Spring Street, Burlington, NC 27215. You also may file a complaint with the Secretary of the U.S. Department of Health and Human Services.
Visit the Labcorp OnDemand® website to browse and purchase laboratory tests and create your Labcorp Patient™ account to view your results. All Labcorp OnDemand testing requires an order from an authorized healthcare professional. For your convenience, Labcorp OnDemand has contracted with independent professional entities (collectively, Providers) to deliver healthcare provider services. Visit a Labcorp location for sample collection; or, if using an at-home collection kit, collect your sample yourself. We’ll let you know when your results are ready and can be accessed through your Labcorp Patient™ account.

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Comprehensive Testosterone Test

Male hormone check: Get a complete picture with our comprehensive testosterone test

Test Details

Why Consider This Test