Low Testosterone Diagnosis

How Doctors Diagnose Male Hypogonadism

Written by Kamiah A. Walker

To diagnose low testosterone (male hypogonadism)—and what’s causing it—your doctor will do several exams and tests.  These will help him/her make an accurate diagnosis.

Blood Test to Check Testosterone Levels
A simple blood test can reveal your testosterone level.  The normal range is 300 ng/dL to 1,000 ng/dL—remember that testosterone levels fluctuate throughout the day.  Because they are normally highest in the morning, your doctor will probably want to do the blood test in the morning.

Physical Exam
Your doctor will examine you to look for signs of low testosterone levels.  He or she will look at:

Medical History
The doctor will most likely talk to you about your medical history and your family’s medical history.  Discussing your current symptoms will give the doctor a more complete picture of the effects low testosterone is having on you.

The doctor may want to know about:

Low Testosterone Diagnosis
Generally, by combining the results from the blood tests, physical exam, and medical history, the doctor can make a diagnosis of low testosterone (male hypogonadism).  To figure out what’s causing your low testosterone, he or she may want to do additional tests, such as:

With an accurate diagnosis of low testosterone, the doctor can start developing a treatment plan.



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