LabwiseCortisolug/dL
Cortisol is the main stress hormone. It peaks in the morning, so the time of the draw matters.
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What Cortisol measures
Cortisol is the main stress hormone. It peaks in the morning, so the time of the draw matters.
If your Cortisol is low
Cortisol below the range depends on the time of day; a low morning value is commonly followed up with further tests.
Commonly associated with
- Time of day
- Corticosteroid medication suppressing production
- Adrenal function
If your Cortisol is high
Cortisol above the range depends on the time of day and stress; it is also raised by estrogen and some medications.
Commonly associated with
- Stress or illness
- Time of day
- Estrogen-containing medication
- Corticosteroid medication
Typical reference range
| Group | Typical range |
|---|---|
| Adults | 6.2 – 19.4 ug/dL |
Typical adult values used by many US labs. Your own report prints the range your lab validated for its method, and that range is the one that counts. Labwise always uses the printed range first.
If it is within range
Your cortisol is within the range printed by your lab.
Also listed as
Cortisol - AM, Cortisol, AM, Cortisol, Total, Cortisol, Serum
Related tests
This page is general information about what a laboratory test measures and what results outside a reference range are commonly associated with. It is not medical advice, does not diagnose any condition and does not replace your clinician. Discuss your results with your healthcare provider.