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Dexamethasone

Tube Type

Test ID   LAB12888
EPIC ORDER   DEXAMETHASONE, SERUM
CPT Code(s)   80299
Group/Individual Test   Individual
Laboratory   Core Referral Testing
Tube Station   30
Specimen Routine: 6 mL blood/Red plain tube/Gold SST also acceptable; See Comments
   Micro: 2 mL blood
Availability Routine: Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time 3-12 days
Reference Range Normal: See separate report
Comments
  • Draw blood between 7:30am and 9am the morning following an evening dose.
  • Sample must be spun and separated within 1 hour of collection.

Reviewed by J. Carr on November 12, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514