Testosterone, Free, Mass Spectrometry/Equilibrium Dialysis (Endocrine Sciences) LabCorp

This testosterone test measures the amount of active testosterone in your blood, which can help identify if low levels are causing your symptoms.

Finding the cause(s) of:

• Decreased muscle mass: Low testosterone can directly contribute to muscle loss, and this test helps determine if your levels are a factor.
• Erectile dysfunction: This test can help identify if low testosterone is contributing to difficulties with erections.
• Fatigue: Checking your testosterone levels can help determine if hormonal imbalances are causing your persistent tiredness.
• Infertility: This test is important for evaluating male fertility, as low testosterone can impact sperm production.
• Low libido: Measuring your testosterone can help determine if low levels are contributing to a decreased sex drive.
• Mood changes: This test can help identify if low testosterone is playing a role in symptoms like depression or irritability.