Cortisol Dexamethasone Reflex*

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Turnaround Time: 6 - 15 days
CPT Code:

82533

Test Type: 3 mL Serum or plasma, frozen
Stability Time:

Temperature

Period

Room temperature

2 days

Refrigerated

2 days

Frozen

1 year

Freeze/thaw cycles

Stable x3

Overview:

Cortisol Dexamethasone Reflex

Collection Details:

Collection Instructions:

Red-top tube, gel-barrier tube, lavender-top (EDTA) tube, or green-top (heparin) tube.

Specimen must be separated from cells within one hour of venipuncture. Transfer serum or plasma to a plastic transport tube and freeze. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.

Freeze.