CORTCortisol, morning
What it shows
The adrenal stress hormone. It peaks in the morning, so the sample is taken between 07:30 and 09:00.
Your doctor reads the result: the laboratory does not diagnose or prescribe. The result sheet gives the reference range beside each value.
Sample
- Short code
- CORT
- What is taken
- Blood from a vein
- Container
- Yellow-top gel serum tube
- Turnaround
- 1 working days for samples taken by 12:00; result at 18:00
- At home
- Yes, a nurse comes to your home
Preparation
- 8 hours after your last meal, on an empty stomach. Water is fine.
- The sample is taken before 09:00
- Sit for 10–15 minutes after you arrive, then give blood.
- No hard exercise the day before.
- No smoking for 1 hour before the sample.
Reference ranges
| For | Range |
|---|---|
| Everyone | 166–507 nmol/L |
These ranges are for Damla’s analysers and methods; another laboratory’s ranges may differ slightly.
From the same section
- TSHThyroid-stimulating hormone (TSH)₼20
- FT4Free thyroxine (FT4)₼20
- FT3Free triiodothyronine (FT3)₼20
- Anti-TPOThyroid peroxidase antibodies (anti-TPO)₼26
- FSHFollicle-stimulating hormone (FSH)₼22