Comprehensive Free and Total Testosterone Blood Test

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This comprehensive blood test measures both Free and Weakly Bound Testosterone (also known as bioavailable testosterone) and Total Testosterone levels. Free and weakly bound testosterone is considered the biologically active form, reflecting the amount of hormone readily available for your body's cells to use. Total testosterone measures all testosterone in your blood, including that bound to sex hormone-binding globulin (SHBG) and albumin. Understanding both levels provides a complete picture of your body's testosterone production and availability, crucial for evaluating hormonal balance and addressing related symptoms.

Quick facts

Sample type

Serum

Turnaround

2–4 business days

Fasting

No Fasting Required

Doctor’s order included

Licensed physician review and requisition included with every test.

Comprehensive Free and Total Testosterone Blood Test

  • General Health & Wellness
  • Men's Health
  • Women's Health
  • Stress & Adrenal Health
  • Sexual Health
  • Fitness & Performance
  • Cpt Codes
    • 84410

    what is Comprehensive Free and Total Testosterone Blood Test and why is it important?

    This comprehensive blood test measures both Free and Weakly Bound Testosterone (also known as bioavailable testosterone) and Total Testosterone levels. Free and weakly bound testosterone is considered the biologically active form, reflecting the amount of hormone readily available for your body's cells to use. Total testosterone measures all testosterone in your blood, including that bound to sex hormone-binding globulin (SHBG) and albumin. Understanding both levels provides a complete picture of your body's testosterone production and availability, crucial for evaluating hormonal balance and addressing related symptoms.

    You may consider ordering a Free and Total Testosterone Test if you are experiencing symptoms or situations that suggest a potential hormonal imbalance. This test can provide valuable insights when:

    • You are experiencing persistent fatigue, low energy levels, or a general lack of vitality without clear explanation.
    • You notice a significant decrease in your libido or experience sexual dysfunction, such as erectile dysfunction in men.
    • You are experiencing unexplained changes in body composition, such as an increase in body fat or a decrease in muscle mass.
    • For women, if you have irregular periods, unexplained hair growth on the face or body, or severe acne that may indicate a hormonal imbalance.
    • You are experiencing mood swings, irritability, or symptoms of depression that could be linked to hormonal fluctuations.
    • You are an athlete or fitness enthusiast seeking to understand how your hormone levels might be impacting your performance or recovery.
    • You are considering or are currently on hormone replacement therapy and need to monitor your levels.

    Individuals who may significantly benefit from a Free and Total Testosterone Test include:

    • Men experiencing symptoms commonly associated with low testosterone, such as chronic fatigue, decreased sex drive, erectile dysfunction, loss of muscle mass, weight gain, or mood changes.
    • Women who may have symptoms of hormonal imbalance, including irregular menstrual cycles, unexplained acne, excess body hair (hirsutism), or thinning hair on the scalp.
    • Individuals monitoring hormone therapy, particularly those undergoing testosterone replacement therapy or other hormone treatments, who need to track their levels to ensure optimal dosing and effectiveness.
    • Anyone concerned about their overall hormonal balance, as testosterone plays a crucial role in energy, mood, and body composition for both sexes, and an imbalance can impact general well-being.
    • Athletes and fitness enthusiasts seeking to optimize performance and recovery by understanding their baseline hormone levels.

    A Free and Total Testosterone Test is a crucial diagnostic tool commonly used to investigate and aid in the diagnosis of several conditions related to hormonal imbalance, including:

    • Male Hypogonadism: Characterized by the body's inability to produce enough testosterone, leading to symptoms like decreased libido, erectile dysfunction, fatigue, reduced muscle mass, and mood changes.
    • Female Hyperandrogenism: Conditions such as Polycystic Ovary Syndrome (PCOS) often involve elevated testosterone levels in women, leading to symptoms like irregular periods, hirsutism (excess body hair), and acne.
    • Pituitary and Hypothalamic Disorders: Dysfunction in these brain regions can affect testosterone production, as they regulate hormone release. This test helps assess their function.
    • Adrenal Gland Disorders: Although testosterone is primarily produced in the testes and ovaries, the adrenal glands also produce small amounts. Certain adrenal conditions can impact testosterone levels.
    • Infertility Evaluation: Abnormal testosterone levels in both men and women can contribute to fertility challenges. This test is part of a comprehensive fertility workup.
    • Osteoporosis in Men: Low testosterone is a recognized risk factor for decreased bone density and osteoporosis in men.
    • Unexplained Fatigue and Mood Disturbances: When other causes are ruled out, hormonal imbalances, particularly low testosterone, can be a contributing factor to chronic fatigue, depression, or irritability.
    • Monitoring Hormone Replacement Therapy: Essential for patients receiving testosterone replacement to ensure therapeutic levels are achieved and maintained safely.

    This test helps clinicians pinpoint the underlying cause of symptoms, guiding appropriate treatment strategies and improving patient outcomes.

    Caution

    It is important to discuss your test results with a healthcare provider who can interpret them in the context of your overall health, symptoms, and medical history. This test provides valuable information, but a diagnosis or the development of a treatment plan should always be made by a qualified medical professional.

    Self-interpreting results or self-medicating based solely on test outcomes is not recommended and can be harmful. Always seek guidance from a licensed healthcare provider for any health concerns or before making changes to your health regimen.

    How It Works?

    1
    Add Your Test to Cart and Check out

    once Test Order is received, Our physicians will review your request and email you the easy-to-follow requisition form.


    2
    Locate and Visit Your Nearest Laboratory

    Find the closest partner location—most are within 2–3 miles—and drop by for a quick, no‑appointment blood draw.


    3
    Get your Results Online

    Once your sample is processed, we’ll send your report straight to your inbox within 1–3 business days. Just click the link to view your results anytime.


    4
    Book a Optional Consult

    Have Questions about results? Book a phone or video visit with one of our doctors. They’ll walk you through your report, explain any findings, and recommend next steps