A healthy result should fall into the range 32 - 168 pg/mL.
Testosterone is an androgen (male sex hormone) found in both men and women but in significantly larger quantities in men due to the testes. A small amount is made by our pituitary glands, and in women, by the ovaries. In pubescent boys, testosterone causes the voice to deepen, muscles to get bigger, sperm production to begin, and facial/ body hair to grow. Most of the testosterone in the blood is bound to a protein called sex hormone binding globulin. Testosterone that is not bound (“free” testosterone) may be checked if a man or a woman is having sexual problems, such as:
-Decreased sex drive
-Erectile dysfunction in men
-Infertility in men and women
-Delayed or accelerated puberty in boys
-Male features (deep voice, excessive hairiness) in women
In addition, certain conditions are known to affect free testosterone like hyperthyroidism and some types of kidney disease.
Age-specific Reference Ranges (for men):
Tanner-stages spefific Reference Ranges (for men):
(To find out more about the different Tanner stages, please refer to: Tanner Stages)
insert the value from you Free testosterone test result.
A low testosterone level in men may be due to:
-Hypothalamic or pituitary disease
-A genetic condition causing decreased testosterone production in young men
-Testicular failure / infertility, which can be genetic (myotonic dystrophy) or due to impairment (due to alcoholism, physical injury, or the mumps)
-A chronic disease like diabetes
A low testosterone level in women is normal and healthy.
A high testosterone level in men may indicate:
-Testicular tumors
-Adrenal tumors producing testosterone
-Use of anabolic steroids
-Early puberty
-Congenital adrenal hyperplasia affecting the adrenal glands
Increased testosterone in women may be caused by:
-Ovarian or adrenal gland tumor
-Polycystic ovary syndrome
-Congenital adrenal hyperplasia affecting the adrenal glands
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Ceruloplasmin, Cyclic AMP, Plasma, Dihydrotestosterone (male), Estimated Average Glucose (eAG), Free Androgen Index, Free testosterone, Free Testosterone, Direct (Female), Free Thyroxine, Free Thyroxine Index, Glucose, Glutamic Acid Decarboxylase, Hemoglobin A1c (HbA1c), Homocysteine, Insulin (Fasting), Insulin-Like Growth Factor I (IGF-1), Parathyroid Hormone (PTH), Serum, Pregnenolone, Reverse T3, Serum, Sex Hormone-Binding Globulin (SHBG), T3, Free, T4, Free, T4, Total (Thyroxine), T7 Index, Testosterone, Testosterone (Female/Child), Testosterone, Serum (Female), Thyroglobulin, Thyroglobulin Antibodies, Thyroid Peroxidase Antibodies (Anti-TPO Ab), Thyroid-Stimulating Hormone (TSH), Thyrotropin Receptor Ab, Serum, Thyroxine-binding globulin, TBG, Total T3, Tri iodothyronine (T3) Uptake, Triiodothyronine, Serum
