Specimen Requirements

Title

CORTISOL, FREE & 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

Refrigerated 7 days; Frozen 2 years

Reference Range

By Report*

Turnaround

8-10 days Performed Sun-Thurs

Clinical Use

Test Code

CFTSW