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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Basics & Questions
Curious about labs
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<blockquote data-quote="madman" data-source="post: 147044" data-attributes="member: 13851"><p>Unfortunately regarding testing ones FT (free testosterone), most are using the <span style="color: rgb(184, 49, 47)"><strong>direct analog-based free testosterone immunoassays</strong></span> which are <span style="color: rgb(184, 49, 47)"><strong>inaccurate</strong></span><span style="color: rgb(0, 0, 0)">.</span></p><p></p><p>If anything you should be getting the equilibrium dialysis or better yet save yourself the money and use the<strong> Calculate free testosterone with <span style="color: rgb(184, 49, 47)">TruT</span> by <span style="color: rgb(184, 49, 47)">FPT - </span></strong><span style="color: rgb(184, 49, 47)"><a href="https://tru-t.org/" target="_blank">Try the public free testosterone calculator at tru-t.org</a></span></p><p></p><p>Do you truly know your FT levels?</p><p></p><p><a href="https://www.labcorp.com/test-menu/35521/testosterone-free-mass-spectrometry-equilibrium-dialysis-endocrine-sciences" target="_blank">500726: Testosterone, Free, Mass Spectrometry... | LabCorp</a></p><p></p><p><span style="font-size: 26px"><strong>Testosterone, Free, Mass Spectrometry/Equilibrium Dialysis (Endocrine Sciences)</strong></span></p><p></p><p>TEST: 500726 </p><p>Test number copied</p><p></p><p>CPT: 84402; 84403</p><p></p><p><span style="font-size: 26px"><strong>Testosterone Therapy in Men With Hypogonadism: An Endocrine Society Clinical Practice Guideline <span style="color: rgb(184, 49, 47)">(2018)</span></strong></span></p><p></p><p></p><p><a href="https://academic.oup.com/jcem/article/103/5/1715/4939465" target="_blank">Testosterone Therapy in Men With Hypogonadism: An Endocrine Society * Clinical Practice Guideline</a></p><p></p><p><strong>In men who have conditions that <span style="color: rgb(184, 49, 47)">alter sex hormone–binding globulin (SHBG)</span></strong> (Table 2), <span style="color: rgb(0, 0, 0)"><strong>or whose</strong></span> <span style="color: rgb(184, 49, 47)"><strong>initial total testosterone concentrations are at or near the lower limit of the normal range</strong></span> (Fig. 1), <strong>clinicians should determine <span style="color: rgb(44, 130, 201)">free testosterone concentrations</span> either <span style="color: rgb(44, 130, 201)">directly from equilibrium dialysis assays</span> or by <span style="color: rgb(184, 49, 47)">calculations that use total testosterone, SHBG, and albumin concentrations. </span>Clinicians should not use <span style="color: rgb(26, 188, 156)">direct analog-based free testosterone immunoassays</span>, as they are </strong><span style="color: rgb(26, 188, 156)"><strong>inaccurate</strong></span><strong>.</strong></p></blockquote><p></p>
[QUOTE="madman, post: 147044, member: 13851"] Unfortunately regarding testing ones FT (free testosterone), most are using the [COLOR=rgb(184, 49, 47)][B]direct analog-based free testosterone immunoassays[/B][/COLOR] which are [COLOR=rgb(184, 49, 47)][B]inaccurate[/B][/COLOR][COLOR=rgb(0, 0, 0)].[/COLOR] If anything you should be getting the equilibrium dialysis or better yet save yourself the money and use the[B] Calculate free testosterone with [COLOR=rgb(184, 49, 47)]TruT[/COLOR] by [COLOR=rgb(184, 49, 47)]FPT - [/COLOR][/B][COLOR=rgb(184, 49, 47)][URL='https://tru-t.org/']Try the public free testosterone calculator at tru-t.org[/URL][/COLOR] Do you truly know your FT levels? [URL='https://www.labcorp.com/test-menu/35521/testosterone-free-mass-spectrometry-equilibrium-dialysis-endocrine-sciences']500726: Testosterone, Free, Mass Spectrometry... | LabCorp[/URL] [SIZE=26px][B]Testosterone, Free, Mass Spectrometry/Equilibrium Dialysis (Endocrine Sciences)[/B][/SIZE] TEST: 500726 Test number copied CPT: 84402; 84403 [SIZE=26px][B]Testosterone Therapy in Men With Hypogonadism: An Endocrine Society Clinical Practice Guideline [COLOR=rgb(184, 49, 47)](2018)[/COLOR][/B][/SIZE] [URL='https://academic.oup.com/jcem/article/103/5/1715/4939465']Testosterone Therapy in Men With Hypogonadism: An Endocrine Society * Clinical Practice Guideline[/URL] [B]In men who have conditions that [COLOR=rgb(184, 49, 47)]alter sex hormone–binding globulin (SHBG)[/COLOR][/B] (Table 2), [COLOR=rgb(0, 0, 0)][B]or whose[/B][/COLOR] [COLOR=rgb(184, 49, 47)][B]initial total testosterone concentrations are at or near the lower limit of the normal range[/B][/COLOR] (Fig. 1), [B]clinicians should determine [COLOR=rgb(44, 130, 201)]free testosterone concentrations[/COLOR] either [COLOR=rgb(44, 130, 201)]directly from equilibrium dialysis assays[/COLOR] or by [COLOR=rgb(184, 49, 47)]calculations that use total testosterone, SHBG, and albumin concentrations. [/COLOR]Clinicians should not use [COLOR=rgb(26, 188, 156)]direct analog-based free testosterone immunoassays[/COLOR], as they are [/B][COLOR=rgb(26, 188, 156)][B]inaccurate[/B][/COLOR][B].[/B] [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Basics & Questions
Curious about labs
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