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Laboratory Medicine

Test catalogue

Cortisol, Salivary

Test Name

Cortisol, Salivary

Salivary Tube Specimen Type / Requirements

Container Type = Salivary Corsitol Kit

Minimum Volume = 1mL Saliva

Specimen Handling

Collection Instructions:

Collection kit can be obtain in outpatient laboratories or in biochemistry. Ensure both samples and requisitions are labeled properly.

Laboratory Staff Instructions: Samples received at room temperature (20-25°C) or cooled (2-8°C) should bring to 20-25°C for centrifugation.

Stability: Centrifuged saliva sample is stable for 24 hours at 20-25°C, 4 days at 2-8°C and 12 months at -20°C (freeze only once).

Transportation: Transport at room temperature ASAP. Place on ice if time of collection to time sample get to lab exceeds 2hrs

Sample Rejection Criteria: samples with obvious signs of blood from bleeding gums, unlabeled, Non sufficient Quantity (Not Sufficient Quantity).

Required Documentation

Turnaround Time (TAT)

7 days

Test Utilization

Reference Value

AM Sample (6:00-10:00am): < 24.1 nmol/L

PM Sample (4:00-8:00 pm): < 9.7 nmol/L

Late night (11:30 pm-12:30 am): < 7.6 nmol/L

Test Code



Competitive ELISA

Testing Location


Other Information

Last Updated: February 11, 2020