Blood testsHormones

Cortisol, total.

Measures all the cortisol in the blood.

  • Markers1
  • SampleBlood draw
  • FastingNot stated
  • Draw timeAny time
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What it measures.

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

  • Cortisol, totalCortisol

    All the cortisol in the blood. It follows a daily rhythm, so the time of the draw matters.

How to prepare.

  1. The lab gives no fasting rule for this test. Ask when you order if you are unsure.
  2. Book the draw at the same time of day each time you test.
  3. Tell the lab if you take prednisone or prednisolone; both affect the result.

Often taken with it.

  • Hormones1 marker

    Cortisol, morning

    Measures cortisol in a sample drawn between 7 and 9 a.m.

    Cortisol

  • Hormones1 marker

    DHEA sulfate

    Measures DHEA S, a hormone made mostly by the adrenal glands.

    • No fasting

    DHEA S

  • Thyroid3 markers

    Thyroid panel

    TSH with free T4 and free T3.

    • No fasting

    TSH, Free T4, Free T3

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.