Measurement of Dexamethasone is useful in assuring compliance with Dexamethasone treatment and documenting adequate dosing during such procedures as the Dexamethasone Suppression Test used in the differential diagnosis of Cushing's syndrome.
1.0 mL Serum from a Red Top Tube in a Plastic Vial
72 hours Ambient
14 days Refrigerated
90 days Frozen
Draw blood between 8:00 and 10:00 a.m.
Do not collect in a Serum Separator Tube (SST or PST)
0.25 mL
Refer to Interpretive Results
Measurement of Dexamethasone is useful in assuring compliance with Dexamethasone treatment and documenting adequate dosing during such procedures as the Dexamethasone Suppression Test used in the differential diagnosis of Cushing's syndrome.
7 to 14 days
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80299