Adrenal Cortisol Rhythm — 4-Point Salivary
Four timed salivary collections across one day measuring free (biologically active) cortisol along with DHEA-S. The shape of the curve is often more informative than any single value.
- Sample type
- Saliva
- Turnaround
- 10–14 business days
- Fasting
- Not required
- Collection
- Home visit or centre
What's measured (4 groups)
- Cortisol at waking, +30 min, midday, and evening
- Cortisol awakening response (CAR)
- DHEA-S and cortisol:DHEA ratio
- Diurnal curve visualisation
How to prepare
- Collection kit couriered to you with timed tubes
- No food, drink, or brushing teeth for 30 minutes before each sample
- Collect on a typical (non-shift, non-travel) day
Partner accredited endocrinology laboratory
Results are released to your Meridian Health account and can be shared with your treating clinician. Lab results are best interpreted alongside your clinical history — book a consultation if you'd like to review them with a doctor.
Book This Test
$520.00Sign in to book this lab test and choose a collection slot.
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