Specimen Requirements
Title
Cortisol, Free and Total
Specimen Requirement
1-Plain red-top tube/2.0mL serum (0.7mL minimum). Spin to separate and send refrigerated.
Alt specimen: Lavender top
Methodology
Stability
Room temp: 48, Refrigerated 7 days; Frozen 2 years
Reference Range
The reference range is determined by the performing laboratory and will show on the report.
Turnaround
8-10 days
Clinical Use
Test Code
CFTSW