Unless you've had a comprehensive thyroid panel performed, and have had it evaluated with a set of eyes that look beyond the «normal»
lab reference ranges, you could be fighting an uphill battle with your -LSB-...]
Unless you've had a comprehensive thyroid panel performed, and have had it evaluated with a set of eyes that look beyond the «normal»
lab reference ranges, you could be fighting an uphill battle with your weight that you'll never be able to win.
A few years ago most endocrinologists refused to diagnose hypothyroidism if the patient's blood tests came back within
the lab reference ranges.
Some of the symptoms you might see with estradiol levels elevated above normal
lab reference ranges (or sometimes even with «high normal» levels) are: fluid retention, mood swings, nipple sensitivity / breast tissue stimulation, bloating, hot flashes and, reduction in clinical benefit from TRT.
When they created
the lab reference ranges for a healthy thyroid, they later discovered that they had included people who already had thyroid dysfunction!
Most routine thyroid tests simply look at TSH using the standard
lab reference range.
Lab reference range (serum blood) recommendations can vary from 40 - 80 ng / ml.
I had to go grain free to get my antibodies under
the lab reference range.
I think I've said this before but why did my doctor not do that like five years ago rather than just looking at the number and saying «Oh, well, that's inside the normal
lab reference range.»
Not exact matches
They may be using an outdated
reference range, using «normal»
reference ranges from their medical school days, and are unfamiliar with newer guidelines that in fact have a narrower optimal
range (see the conventional versus optimal
lab ranges below).
In functional medicine we want to shoot for optimally healthy levels (not just within the
lab's
reference range).
If your
lab is one number away from being outside of the
reference range, you're still classified as «normal.»
On your
labs there's typically a
reference range that tells you what is considered «normal.»
That
reference range is determined by a statistical bell curve average of the population of that particular
lab.
Standard
reference ranges are built to include two standard deviations from the median up and down for all people tested at a given
reference labs.
A serum testosterone level of 59 is high - normal by most
lab range, your
lab report should list a
reference range to help give you and idea of where it falls in comparison.
Since units of measure and normal
reference ranges differ, it is difficult to discern you best next steps by
labs alone.
Reference ranges from The Blood Code are listed below — variation in reference ranges occurs between labs: Non-U.S. ranges are listed as (S.I.
Reference ranges from The Blood Code are listed below — variation in
reference ranges occurs between labs: Non-U.S. ranges are listed as (S.I.
reference ranges occurs between
labs: Non-U.S.
ranges are listed as (S.I. values).
Thus, conventional medicine practitioners will likely follow the standard
reference range for TSH to determine if a person has hypothyroidism — in some cases, they may even follow a more lax
range if the
lab they are using hasn't updated their levels or if the practitioner is old school.
My
lab results
reference ranges are different than the ones you listed.
Most physicians only look for values outside of the «normal»
reference range provided by the
labs and may not be familiar with the new guidelines.
So other
labs are gonna have different — you know, different markers, different
reference ranges.
When I look at my client's
labs, I'm focusing on optimal
reference ranges!
Beware however, functional / sub-clinical iron deficiency can still (and often does) exist because the
reference ranges considered normal by blood
labs are extremely wide — so you will be quite deficient if you fall below the
lab's «normals».
Hi Carolyn, you can't trust thyroid
labs and the «normal»
reference ranges.
If you get the tests refer to the
lab reference values for normal
ranges.
I get complete blood panels every 6 months, and my last
labs in May showed my IGF - 1 levels off the
reference range low.
Most doctors evaluate the
lab results based on the
reference ranges or «normal limits» but only the sickest 5 % of the population will have results outside those normal limits.
Most physicians were trained to look only in specific places for the answers, using the same familiar
labs or diagnostic tests and
reference ranges.
Though
ranges can vary from
lab to
lab, most physicians use a common
reference range when referring to the results of a Thyroid test.
Aside from that, there are normal
reference ranges, and an informed clinician can use
lab results, information from your history and physical exam, and your ongoing response to therapy to help navigate TRT / BHRT.
As with the cortisol test, your doctor should be looking beyond the
reference ranges provided by the
lab.
I'll take my testosterone and a
reference range for a serum
lab and I feel pretty comfortable and pretty confident that it's reasonable.
Often, but not always, this can be seen on a routine blood test even if the values lie within the
lab's normal
reference range.
But this particular
lab was using an assay that ran right around 35 % lower but using
reference ranges from somebody whose assay runs higher and then guess what?
However, when you get your TSH tested through a medical
lab, the medical
labs may use outdated
reference ranges.
In this case, use the
reference range provided by the specific
lab.
This is the therapeutic
range, but the
reference range for TSH on a
lab test is very wide, from 0.5 up to 4.5 typically.
As conventional
lab ranges are based on a bell curve analysis of all of the population that visited the
lab over a certain period of time, many of whom are sick, this has lead to an ever - broadening
reference range.
Your E2 may be ok, depending on the the
reference range from the performing
lab.
In truth, if your
lab values are within the set
reference range, you are within the «average,» and not necessarily healthy.
Each
lab director sets the
reference range for each particular test based upon a percentage of people who have taken the test.
While the
reference range at many
labs runs from 2.3 to 4.2 pg / mL, integrative physicians have found that most patients feel best when their level falls into the top half of the
range, at a level of 3.2 or higher, and in many cases, at 3.7 or higher.
Different
labs can and do have different
reference ranges.
Conventional medicine sees the goal of thyroid replacement therapy in bringing your
lab test results into the normal
reference range and after that the treatment is considered successful.
The
reference ranges created for
labs are not that scientific — for TSH they took a large group of people and tested TSH and created a bell curve with the results.
Depending on the
lab, some
reference ranges may define homocysteine excess as > 10 or 11 µmol / L, while levels under 6 µmol / L may be considered too low.
The «
reference range» is the
range of cortisol values that a
lab uses to interpret
lab results and say what is considered normal, or abnormal.
She writes that this interpretation «often yields an expected normal
reference range for an individual pet that differs from the test
lab's generic broad
reference range.»
(I don't mention specific numbers here as the
reference range varies from
lab to
lab and the units from country to country.)