Confused by blood test?

Jesse

Member
There is two different sections on my blood work with total testosterone serum but the list different values? Any idea why this would be?

See attached.
 
Of course they didn't upload :)

Let me try again.
 

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Your value of 688 is OK (the range is usually 350-1200 or so depending on the lab company). Your free T is over 2 percent, so that is good.
 
Were these labs run the same day?

Why two different TT labs if so?

Tell us more about you and if you are symptomatic of low androgen levels.
 
Were these labs run the same day?

Why two different TT labs if so?

Tell us more about you and if you are symptomatic of low androgen levels.

same day. I don't know why two different values. That is my question here.

i don't know what you mean by symptomatic or low androgen.
 
same day. I don't know why two different values. That is my question here.

i don't know what you mean by symptomatic or low androgen.

I believe Gene is looking to understand how you feel. Do you have classic low-T symptoms? If you are on TRT, what is your current protocol?
 
I believe Gene is looking to understand how you feel. Do you have classic low-T symptoms? If you are on TRT, what is your current protocol?


I don't have low T symptoms at all since being on TRT. But yeah, classic low T symptoms are what lead me to treatment.

I usually take:
100 mg mon and thursday (200/wk)
300 IU HCG Wed and Sun (600 IU/wk)

The only thing I changed was I used 200 all on a monday and got tested the following Monday (before next shot). This was at my doctors request to wait 7 days. Then I went directly back to my 100/100 split.
 
I don't have low T symptoms at all since being on TRT. But yeah, classic low T symptoms are what lead me to treatment.

I usually take:
100 mg mon and thursday (200/wk)
300 IU HCG Wed and Sun (600 IU/wk)

The only thing I changed was I used 200 all on a monday and got tested the following Monday (before next shot). This was at my doctors request to wait 7 days. Then I went directly back to my 100/100 split.

You divided a dose on your own, I take it, but this test is the result of a shift, from 100mg/twice weekly back to a single 200mg injection. You have a "trough," and wound up with two reported values. So, an altered protocol, a "trough" reading that produced two differing total testosterone levels. Is that the picture?
 

hCG Mixing Calculator

HCG Mixing Protocol Calculator

TRT Hormone Predictor Widget

TRT Hormone Predictor

Predict estradiol, DHT, and free testosterone levels based on total testosterone

⚠️ Medical Disclaimer

This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.

ℹ️ Input Parameters

Normal range: 300-1000 ng/dL

Predicted Hormone Levels

Enter your total testosterone value to see predictions

Results will appear here after calculation

Understanding Your Hormones

Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

Free Testosterone

The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

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