Testosterone, Thyroid and Estradiol Panel
Ordering these 5 hormone tests as a panel saves you over $20 when comparing it to buying tests separately.
Ordering these 5 hormone tests as a panel saves you $10 when comparing it to buying tests separately.
- Total and Free Testosterone ( LC/MS assay that can measure with no upper limit)
This test measures both total testosterone by the most liquid chromatography/ mass spectrometry with no upper limit (suitable even for TT levels above 1500 nd/dL). Free testosterone by Equilibrium Dialysis.
- TSH, free T4 and free T3
This panel includes comprehensive testing of the thyroid stimulating hormone (TSH) in addition to free thyroxine (T4) and free triiodothyronine (T3). When the thyroid gland does not produce enough hormone, the body uses energy at a slower pace than it should. This condition, underactive thyroid, is called hypothyroidism.
- Ultra-Sensitive Estradiol (LC/MS)
Estradiol is produced by the body via the aromatization of testosterone in fat tissue, liver, and testicles. Estradiol is involved in bone health, cognitive function, sex drive, and body composition in both men and women. Depending on lifestyle factors, liver Issues, medications, body fat mass, and genetics, some people may have higher estradiol conversions from testosterone.
The commonly used estradiol test may overestimate estradiol. That test uses immunoassay technology that cannot differentiate C-Reactive Protein (involved in inflammation) from estradiol, so it reads the combination of the two as estradiol. This ultra-sensitive estradiol test is based on liquid chromatography/mass spectrometry (LC/MS), an assay technology that does not have that limitation.
NOTE: If you are taking biotin, please stop it 72 hours before the blood draw since it may interfere with hormone blood tests.
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Suggested Reading: Testosterone Replacement Blood Test Targets
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