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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
New Labs - Progesterone high???
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<blockquote data-quote="johndoesmith" data-source="post: 53290" data-attributes="member: 13404"><p>So essentially, there is no standardization in how they determine their ranges. Whether it's based on statistical models of patients results, or if they use a "healthy" sample group?</p><p></p><p>I've noticed things like testosterone and E2 ranges vary significantly, while HGB or HCT never change. I always thought it was due to different methodology such as ECLIA vs LC/MS/MS. For example the standard vs sensitive E2 test.</p><p></p><p>Does that mean 400ng/dl on a 250-850 range is the same as 400 on a 348-1197 range assuming the same methodology? </p><p></p><p>I think part of the confusion is that "normal" refers to the statistical normal, as opposed to the colloquial "normal" meaning of the word. Correct me if I am wrong on anything here.</p></blockquote><p></p>
[QUOTE="johndoesmith, post: 53290, member: 13404"] So essentially, there is no standardization in how they determine their ranges. Whether it's based on statistical models of patients results, or if they use a "healthy" sample group? I've noticed things like testosterone and E2 ranges vary significantly, while HGB or HCT never change. I always thought it was due to different methodology such as ECLIA vs LC/MS/MS. For example the standard vs sensitive E2 test. Does that mean 400ng/dl on a 250-850 range is the same as 400 on a 348-1197 range assuming the same methodology? I think part of the confusion is that "normal" refers to the statistical normal, as opposed to the colloquial "normal" meaning of the word. Correct me if I am wrong on anything here. [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
New Labs - Progesterone high???
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