Free Testosterone Range, Aged Based?

Discuss Free Testosterone Range, Aged Based? at the Men's Health Forum; I believe most of us are of the opinion that the "normal" ranges for lab tests are a far cry ...

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Old 12-10-2007, 01:20 AM
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Default Free Testosterone Range, Aged Based?

I believe most of us are of the opinion that the "normal" ranges for lab tests are a far cry from optimal. Indeed, a large portion of the so-called normal ranges are often unhealthy, and sometimes much worse.

An example of the idiocy behind these ranges is free testosterone. According to Quest, normal T range is 250-1100. As we know, Quest, like most of the labs, failure to break the range down by age, which is absurd. Thus, my total T of 350 & 373 (approximately the 14th% of the range) are labeled normal, even though I'm 37 years old. Making matters worse is the range for % free testosterone, which is 1.5 - 2.2. Mine happens to be 1,22, outside the range. But Quest multiplies the % free testosterone by the total testosterone to get the normal free testosterone range (35-155). Thus, anything beyond .155 times 250 is deemed normal. As a result, my total free T of 45.3 ( approximately the 8th% of the range) is deemed within the normal range. How and the hell can that be??? It's considered normal to be a the bottom of the barrel of both ranges??? The mid point of total T times % free T is 125 -- I'm 1/3rd of that and I am considered within the "normal" range? And the guy who has the top of both ranges, with 5 times as much free T as me, is also in the "normal" range?!?!?! This flips the concept of "normal" on its head, even if you leave aside the fact that the ranges should be aged based. Certainly, there should be an adjustment when you are multiplying two variables. Otherwise you end up with low normal times low normai, which is REALLY JUST LOW, under any reasonable evaluation. Mathematically, this makes no sense to me. IF WE WERE RACE HORSES, WITH PATHETICALLY LOW NUMBERS LIKE MINE, WOULD THE VET CALL US "NORMAL"??? Me thinks not. But, alas, we are not race horses, we're just humans, expected to accept our "normal" pathetic plight. HORSE SHIT, I say!

I imagine that some of the home collection kits provide much more appropriate aged based ranges. Might anyone have those ranges in a readable form? I dont have Excel on my home computer, so I am unadle to open the file that is posted on these boards. But mostly, I'm just airing my frustrations. This sort of thing needs to be better regulated so that the clueless doctors can know when it is appropriate to send a patient to a specialist who has a clue. Fortunately, if you are here, you figured it out yourself. Kudos to you. I'd like to help those that suffer for faults in the system, such as this one.

Thanks in advance for the ranges, should you post them.
~j

Last edited by jinxie1; 12-10-2007 at 01:33 AM. Reason: Add material.
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Old 12-10-2007, 10:37 AM
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Default Re: Free Testosterone Range, Aged Based?

I hear ya bottom line is to get past your Dr. to many are fast to read labs and look for one to be in the normal range your TT labs are normal but for a man over 100 yrs. old.
Center For Clinical Age Management - Natural Hormone Replacement, Boca Raton Florida.
The above link has ranges by age.

Dr.'s forgot there math and need to read this link over and over again.
IQ Test Labs - free online testing.

Plus most of the samples that get to come up with the ranges are from sick people.

In this link it states to keep your Total and Free Testosterone levels up into the upper 1/3 of your labs range for a young man. And to keep your Estradiol down between 10 to 30 best at 20 pg/ml.

I follow this and it works.
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Old 08-26-2010, 08:50 PM
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Default Re: Free Testosterone Range, Aged Based?

I was looking for data on the ranges when doing TRT. The general information I found said total T should be based on the levels of a 29 year old man. I just got my test back after six weeks on T CYP, and had 400 total and 14 free T. Way too low. I have a goal of 700 to 800 total, and at least 20 free, which relates to higher levels when I go back next week.
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Old 08-27-2010, 05:25 AM
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Default Re: Free Testosterone Range, Aged Based?

Normal Testosterone Levels in Men by Age - Bioavailable, Total, Free Testosterone Ranges
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Old 12-04-2010, 11:16 PM
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Default Re: Free Testosterone Range, Aged Based?

The link above says for a 30 year old man Free T is 12.3 is this right?

My husband has all the symptoms for low t but his Total T is 624 LR 280-800 and Free T 3.5 LR 2.0-4.4

These were done in may and his symptoms have gradually worsened and now we have no insurance.

I know with my thyroid issues lab ranges are pretty meaningless so I am wondering if the same is true for T ranges?
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Old 12-04-2010, 11:40 PM
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Default Re: Free Testosterone Range, Aged Based?

Quote:
Originally Posted by JamieJAbshire View Post
The link above says for a 30 year old man Free T is 12.3 is this right?

My husband has all the symptoms for low t but his Total T is 624 LR 280-800 and Free T 3.5 LR 2.0-4.4

These were done in may and his symptoms have gradually worsened and now we have no insurance.

I know with my thyroid issues lab ranges are pretty meaningless so I am wondering if the same is true for T ranges?

Yes they are....

Can I ask what symptoms he is having? Has he had any other labs done? There are a bunch that need to be drawn before considering TRT. TT and Free T while important are just a smidgen of what needs to be known.
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Old 12-04-2010, 11:44 PM
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Default Re: Free Testosterone Range, Aged Based?

Quote:
Originally Posted by stumpy40 View Post
Yes they are....

Can I ask what symptoms he is having? Has he had any other labs done? There are a bunch that need to be drawn before considering TRT. TT and Free T while important are just a smidgen of what needs to be known.
Major constant irritibliity, abdomen weigh, back pain, insomnia, receeding hair line, he says his bones hurt, lack of libido, lack of interest in pretty much anything other then hunting. he says he is just angry all the time and doesn't know why.

He had thyroid testing done also but they won't admit it is a problem and neither will he but his T3 uptake was L 32.0 LR 33.0-40.0 FT4 0.56 L and TSH 1.38

And I screwed up his free T is 11.4 LR 8.7-25.1
The 3.5 was FT3 LR 2.0-4.4

Cortisol AM 19.6 H LR 6.2-4.4

And his thyroid tests are worse then they were the time before which was about a year.

high ALT 93 LR 30-65

Seemingly good cholesterol, neg ANA, checked for lymes disease neg, and neg RA

Last edited by JamieJAbshire; 12-04-2010 at 11:51 PM.
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Old 12-05-2010, 12:45 AM
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Default Re: Free Testosterone Range, Aged Based?

Free T also says direct if that makes a dif
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Old 12-05-2010, 02:38 PM
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Default Re: Free Testosterone Range, Aged Based?

High cortisol => irritibliity.
Cortisol - Wikipedia, the free encyclopedia Cortisol - Wikipedia, the free encyclopedia

He need full check of adrenal glands etc.

High cortisol can be caused by elevated estradiol or elevated prolactin too.
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Last edited by Kwirion; 12-05-2010 at 02:40 PM. Reason: typo..
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Old 12-05-2010, 07:18 PM
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Default Re: Free Testosterone Range, Aged Based?

His test levels look good. Has he tested his estradiol? He can test it privately at Private MD - Buy Lab Tests Online.
Is he overweight, especially around the abdomen?
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