9771. Testosterone (saliva)
Description
This test quantitatively measures the free testosterone fraction in saliva and is offered as a way to assess the biologically active hormone.
When and who needs the test?
- To clarify the causes of precocious puberty and delayed pubertal development in boys.
- To identify the causes of impotence and infertility in men.
- For the diagnosis of testosterone-producing tumors of the gonads.
- For differential diagnosis of polycystic ovary syndrome, androgen-secreting tumors, and other causes of virilization in women.
- For monitoring testosterone levels during anti-androgen therapy in patients with prostate cancer (pharmacological castration).
- To determine the causes of acne.
- For the diagnosis of hypothalamic–pituitary disorders and evaluation of endocrine system function.
- In cases of reduced sex hormone–binding globulin: hypothyroidism, androgen excess, obesity.
- To clarify the sex of newborns with ambiguous genitalia.
Biological material
- Saliva
Saliva preparation rules: hormones
- do not perform dental treatment for 48 hours prior to collection;
- do not consume alcohol for 24 hours;
- do not brush your teeth 2 hours before collection;
- do not eat, smoke or drink anything for 30 minutes before collecting the sample;
- avoid contact with lipstick;
- avoid samples contaminated with blood (even...
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