Test Code 29391 Dexamethasone
Specimen Requirements
Preferred Specimen(s): 0.85 mL serum collected in a (red-top) tube (no gel)
Alternate Specimen(s): Plasma collected in: Sodium heparin (green-top), lithium heparin (green-top) or sodium flouride (gray-top)
Minimum Volume: 0.25 mL
Collection Instructions: Draw specimen between 8:00am and 10:00am
Transport Temperature: Refrigerated (cold packs)
Reject Criteria: Moderate hemolysis * Serum Separator Tubes (SST(R)) * Received at room temperature
Specimen Stability Information
Room Temperature: 24 hours
Refrigerated: 7 days
Frozen: 2 years