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What lab tests are used to diagnose erectile dysfunction?

Dr. Mehmet Oz, MD
Cardiologist (Heart Specialist)
Your doctor will use several lab tests to diagnose erectile dysfunction (ED). These include tests for systemic diseases: blood count, urinalysis, lipid profile, and measurements of creatine and liver enzymes. These tests will help determine if you have an infection, if you have high cholesterol or high blood fats, if your blood sugar is too high (a sign of diabetes), if your liver is working correctly, and other possible signs of disease. Your doctor may also test your levels of testosterone, a hormone. Low testosterone levels may be a sign of a hormonal problem, and can lead to low sexual desire and ED. Lab tests are just one method your doctor will use to determine whether you have ED.
Diana Meeks
Diana Meeks on behalf of Sigma Nursing
Family Practitioner

Doctors use several blood and urine tests to diagnose erectile dysfunction (ED), as well as to check whether there is another health problem that is causing or contributing to difficulty in getting and maintaining an erection.

As ED is often a sign of an underlying health problem, your doctor will order blood and urine tests to check for anemia (low red blood cell count), high blood cholesterol, diabetes, low testosterone and a liver or kidney problem. 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.