Blood testsHormones

Estradiol.

Measures estradiol, the main form of estrogen.

  • Markers1
  • SampleBlood draw
  • FastingNot stated
  • Draw timeAny time
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Design preview

What it measures.

In plain English. This describes what a lab measures; it cannot tell you what your own result means.

  • EstradiolE2

    The main form of estrogen. Men make it too, mostly by converting testosterone in body tissues.

How to prepare.

  1. The lab gives no fasting rule for this test. Ask when you order if you are unsure.
  2. Stop high dose biotin supplements 72 hours before the draw.

Often taken with it.

  • Hormones1 marker

    Estradiol, ultrasensitive

    Measures estradiol with a method built for the low levels typical in men.

    E2

  • Hormones1 marker

    Testosterone, total

    Measures all the testosterone in your blood, by mass spectrometry.

    • No fasting
    • Morning draw

    Total T

The waitlist makes no eligibility, diagnosis, treatment, prescribing, or medication access decisions.

Clinical questions, eligibility, and care decisions happen later with a licensed provider, outside this form and only where legally available.