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A 20-year-old male asked:

i'm 20 my serum testosterone is 344ngm/dl and free testosterone is 16.7ngm lh=2.36mlu/ml is that normal for my age and i dont have morning wood?

2 doctor answers4 doctors weighed in
Dr. Philip Kern
Endocrinology 43 years experience
Serum T: The normal range varies a bit with every lab, but that value appears to be fairly normal. Also, what time of day was it drawn? Testosterone is circadian, higher in the AM, lower later in the day. If that value was later in the day, then the AM value is likely higher.
Dr. Philip Ryan
Endocrinology 45 years experience
Not normal: the evry low freeTesto warrants further evaluation see a doctor

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Last updated Aug 27, 2017

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