Testosterone

Testosterone refers to a steroid hormone and androgen. It is produced in the intermediate cells of the testes, in the ovary and in the adrenal cortex.

Standard value: The reference range for women is < 0.29 - 1.67 nmol/l between the 20th and 49th year of life, > 50 years at < 0.10 - 1.42 nmol/l

For men, the reference range is between the 20th and 49th year of life at < 8.64 - 29.0 nmol/l, > 50 years at < 6.68 - 25.7 nmol/l

Pathologically debilitated (men): testicular tumours, genetic disorders of testicular function, primary and secondary disorders of GnRH secretion, congenital or acquired anorchia, exogenous or due to general diseases

Pathologically elevated (women): polycystic syndrome, androgen-producing tumours, hyperthecosis ovarii, androgenital syndrome, iatrogenic due to, among other things, glucorticoids, diuretics, anti-rheumatic drugs, ACTH or HCG formation by pituitary adenomas

1. Böhm C et al (2017) in: Neumeister B et al. clinical guide to laboratory diagnostics. Urban&Fischer Publisher Munich S. 348-351