Preparation: Fasting is generally not required

Procedure: A blood sample is drawn from a vein, usually in the arm.

Description:

The Free Testosterone test measures the level of testosterone that is not bound to proteins in the blood, which is the biologically active form of this hormone. This test helps assess hormonal balance and can aid in diagnosing conditions like hypogonadism, infertility, erectile dysfunction, and polycystic ovary syndrome (PCOS).