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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
switched to ED protocol with same dose and FT dropped??
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<blockquote data-quote="madman" data-source="post: 197538" data-attributes="member: 13851"><p>If you have always been using the direct immunoassay for FT then so be it and stick with it but even then you need to make sure when comparing results that you are using the same lab/assay.</p><p></p><p>I would not rely on the direct immunoassay for FT and if you want to know where it truly sits then you would need to have it tested using the most accurate assays such as the gold standard Equilibrium Dialysis or Ultrafiltration (next best) and again testing using the same lab/same assay.</p><p></p><p>Keep in mind that it would be more sensible to test more than once if results are suspect as yes there can be lab errors even when using the most accurate assays but it would be far from common.</p><p></p><p>Nothing but pure confusion when one is using different labs let alone different assays when trying to compare lab results.</p><p></p><p>To top it all off when it comes to the reference ranges for measured or calculated FT they vary between different labs, and as of now, there is no standardization let alone a harmonized reference range.</p><p></p><p>Efforts are underway to <u>standardize the procedures for FT and to generate harmonized reference ranges</u>.</p><p></p><p></p><p></p><p><strong>* This filthy s**t show will be coming to an end soon enough!</strong></p></blockquote><p></p>
[QUOTE="madman, post: 197538, member: 13851"] If you have always been using the direct immunoassay for FT then so be it and stick with it but even then you need to make sure when comparing results that you are using the same lab/assay. I would not rely on the direct immunoassay for FT and if you want to know where it truly sits then you would need to have it tested using the most accurate assays such as the gold standard Equilibrium Dialysis or Ultrafiltration (next best) and again testing using the same lab/same assay. Keep in mind that it would be more sensible to test more than once if results are suspect as yes there can be lab errors even when using the most accurate assays but it would be far from common. Nothing but pure confusion when one is using different labs let alone different assays when trying to compare lab results. To top it all off when it comes to the reference ranges for measured or calculated FT they vary between different labs, and as of now, there is no standardization let alone a harmonized reference range. Efforts are underway to [U]standardize the procedures for FT and to generate harmonized reference ranges[/U]. [B]* This filthy s**t show will be coming to an end soon enough![/B] [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
switched to ED protocol with same dose and FT dropped??
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