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CORTISOL, SERUM

Synonym(s):
Lab Section Category
View write-up
Specimen Required

​3 mL plain blood.

Do not take sample as soon as patient arrives. Allow for a period of rest. Take sample at 0800h or 2400h.

Method

​Immunoassay

Reference Interval / Value

≥ 13 yrs :
8am: 123 - 626 nmol/L
 
12mn: 46 - 389 nmol/L

Turnaround Time

​Mean = 4 hrs, Range: 3 – 5 hrs

Day(s) Test Set up

​Daily

Change History Notes

  • 08 Apr 2020 04:15 PM

    Reference Interval is updated on 08 Apr 2020.

Back: Pathology Laboratory Services

Last Updated - 13 Jun 2025