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Test Code COR8 Cortisol, serum, 8am

Specimen Requirements

Specimen Type: Serum
Container/Tube: Gold Top (SSTII) 
Volume: 5.0mL 
Minimum Volume: 0.5mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours
 

Sample Stability

** Preferred temperatures for storage prior to and during shipping to NUH **

 

Specimen Type: Serum 
Ambient: Send the sample to the laboratory immediately.
Refrigerate: 14 days
Frozen: 30 days

 

Reference Interval

 

102-535 nmol/L

Days and Times Performed

24 hours, TAT 1 day

Methodology

Chemiluminescent Immunoassay

Service Code

31721

Update

Last updated 16/05/2024

Updated on Methodology.

Unacceptable Condition

 

Haemolysis NA
Icterus NA
Lipaemic NA
Others NA

 

Testing Laboratory

National University Hospital
Clinical Chemistry, 67724346

Useful For

Differential diagnosis of Cushing syndrome. Screening and diagnosis of primary and secondary adrenal insufficiency.