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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
New Labs - Progesterone high???
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<blockquote data-quote="Dr Justin Saya MD" data-source="post: 53286" data-attributes="member: 12687"><p>Labs determine the "criteria" or algorithm for their reference ranges internally (meaning different labs may have different criteria), also obviously different labs have different patient populations, which also impacts any said reference range criteria. This is a reason why "reference ranges" can vary so much from one lab to another (I've seen probably two dozen DIFFERENT testosterone reference ranges used by various labs over the years, for example). </p><p></p><p>Reference ranges, for this reason, have to be taken with a grain of salt. The skilled provider doesn't just know what a reference range tells them, more importantly they know what the reference range does NOT tell them...which is it doesn't tell them, necessarily, what "normal" is (although many providers fall victim to exactly that flawed thinking).</p></blockquote><p></p>
[QUOTE="Dr Justin Saya MD, post: 53286, member: 12687"] Labs determine the "criteria" or algorithm for their reference ranges internally (meaning different labs may have different criteria), also obviously different labs have different patient populations, which also impacts any said reference range criteria. This is a reason why "reference ranges" can vary so much from one lab to another (I've seen probably two dozen DIFFERENT testosterone reference ranges used by various labs over the years, for example). Reference ranges, for this reason, have to be taken with a grain of salt. The skilled provider doesn't just know what a reference range tells them, more importantly they know what the reference range does NOT tell them...which is it doesn't tell them, necessarily, what "normal" is (although many providers fall victim to exactly that flawed thinking). [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
New Labs - Progesterone high???
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