• AM Cortisol
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AM Cortisol

AM Cortisol

$50.00
$65.00 $50.00
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The AM Cortisol test measures cortisol levels in the morning when they are typically at their highest. Cortisol is a vital hormone produced by the adrenal glands, playing a significant role in stress response, metabolism, and immune function. Abnormal morning cortisol levels can indicate issues such as adrenal insufficiency or Cushing's syndrome. Understanding your AM cortisol levels can help you and your healthcare provider assess adrenal function and overall hormonal balance, guiding appropriate interventions.

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About This Test

Reason to Check It

"Cortisol is an important steroid hormone that regulates numerous body systems including the response to infection and inflammation, blood sugar, and bone metabolism.  It is often referred to as the stress hormone because it increases blood pressure and blood sugar, and reduces the immune response.  Typically, cortisol levels vary throughout the day.  It is highest in the morning and lowest before bedtime. Birth control pills can indirectly increase cortisol levels by increasing corticotrophin-binding globulin (the carrier protein for cortisol).  Thus, if you are taking birth control pills, an elevated cortisol level may not be a health concern. The most common causes of an inappropriate low morning cortisol level may be either sleep problems or chronic stress."- Dr. Alan Hopkins

Test Preparation

  • Since levels are typically highest in the morning, it's best to schedule your sample collection early in the day for the most accurate results.


Please Note: We recommend overnight fasting and an early morning blood draw for all tests, even if no special preparation is required. Remember, it is OK to drink plenty of water. Drinking water helps hydrate you and makes it easier for the phlebotomist to obtain your blood sample.

Test Type and Method

Test Type:

  • Blood


Test Method:

  • In-person Blood Draw

Post-Test Notes

  • Once your specimen is collected, test results are typically processed and available within a few business days. Processing times may vary depending on the test. Your results will be delivered in a clear, easy-to-understand report. If any values fall outside the expected range, you may receive a follow-up call from an independent healthcare coordinator.

Lab Testing is Simple, Fast, and Convenient

Choose the Individual Test or Lab Panel that suits your health needs. You’ll receive your lab requisition within 24 hours. Visit any of the 3,000+ Quest Diagnostics centers using the button below. Once your sample is collected, your results will be securely delivered via email within 7–10 days.

View Quest Draw Locations

Lab Testing is Simple, Fast, and Convenient

Choose the Individual Test or Lab Panel that suits your health needs. You’ll receive your lab requisition within 24 hours. Visit any of the 3,000+ Quest Diagnostics centers using the button below. Once your sample is collected, your results will be securely delivered via email within 7–10 days.

View Quest Draw Locations