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Testosterone (Total and Free)

Measurement of total and free testosterone levels to assess hormonal balance and reproductive health.

Details:

Testosterone testing measures the levels of testosterone hormone in the blood. Total testosterone measures both bound and free testosterone, while free testosterone measures only the active, unbound form.

Tests Included

  • Total Testosterone
  • Free Testosterone (calculated or measured)
  • Sex Hormone Binding Globulin (SHBG) – optional

Clinical Applications

  • Evaluate low testosterone (hypogonadism) in men
  • Assess erectile dysfunction or decreased libido
  • Evaluate delayed or precocious puberty
  • Assess infertility
  • Evaluate polycystic ovary syndrome (PCOS) in women
  • Monitor testosterone replacement therapy

Sample Requirements

  • Best collected in the morning (7-10 AM) when levels are highest
  • May require fasting
  • Multiple tests may be needed to confirm diagnosis

Sample Type

  • Whole Blood
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