A member asked:

Whats a normal testosterone level for a 47 year old male.?

A doctor has provided 1 answer
Dr. Alvin Lin answered

Depends!: "normal" depends upon which lab company performs which test (total or free or bioavailable) using which method. Check out and compare the "normal reference range" from quest diagnostics (http://www.Questdiagnostics.Com/testcenter/testguide.Action?Dc=ts_testosterone_lcmsms) and labcorp (sorry, they won't let me copy an easy url link), two of the larger national facilities.

Answered 5/15/2015

5.4k views

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