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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
Lab measurement unit wrong? FT/TT = 0.14%* possible?
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<blockquote data-quote="Wise_S" data-source="post: 109082" data-attributes="member: 18359"><p>My total testosterone is 886 ng/dl (900 is the top of the ref range), shbg = 67.67 nmol/l ( 18,30-54,10), albumin = 5.3 g/dL;</p><p></p><p>I also tested my free testosterone and the lab result was 12.0 ng/l (8,30-40,10). If I convert it to ng/dl, that will be 1.2 ng/dl. This means that my FT/TT = 0.14% even though both TT & FT are in the normal range. Is this possible?</p><p></p><p>I talked to the lab and they asked their doctor to check if there is a mistake with the measurement unit and he said everything is ok. I'm not sure though...</p><p></p><p>I suspect that my FT should be 12.0 ng/dl (not ng/l). Then my FT/TT will be 1.4%, which is much more realistic. Also when I use this calculator:</p><p></p><p>www issam.ch/ freetesto.htm</p><p></p><p>and plug in my numbers, my FT is calculated as being 11.6 ng/dL = 1.31 %, which is much closer to 12 ng/dl, than to 12 ng/l. Bioavailable T = 332 ng/dL = 37.5 %.</p><p></p><p>Any thoughts on this issue?</p></blockquote><p></p>
[QUOTE="Wise_S, post: 109082, member: 18359"] My total testosterone is 886 ng/dl (900 is the top of the ref range), shbg = 67.67 nmol/l ( 18,30-54,10), albumin = 5.3 g/dL; I also tested my free testosterone and the lab result was 12.0 ng/l (8,30-40,10). If I convert it to ng/dl, that will be 1.2 ng/dl. This means that my FT/TT = 0.14% even though both TT & FT are in the normal range. Is this possible? I talked to the lab and they asked their doctor to check if there is a mistake with the measurement unit and he said everything is ok. I'm not sure though... I suspect that my FT should be 12.0 ng/dl (not ng/l). Then my FT/TT will be 1.4%, which is much more realistic. Also when I use this calculator: www issam.ch/ freetesto.htm and plug in my numbers, my FT is calculated as being 11.6 ng/dL = 1.31 %, which is much closer to 12 ng/dl, than to 12 ng/l. Bioavailable T = 332 ng/dL = 37.5 %. Any thoughts on this issue? [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
Lab measurement unit wrong? FT/TT = 0.14%* possible?
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