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Cortisol

Mint Green Plasma Separator Tube

Tube Type

Test ID   LAB61
EPIC Order
  CORTISOL
CPT Code(s)   82533
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   Routine: 30; STAT: 888
Specimen Routine: 4 mL blood/Li Heparin plasma separator tube / Also acceptable serum (Gold SST / Red Top Tube); see Comments for additional specimen information.
  Micro: 0.9 mL blood/mint green top bullet/gold top/red top
Stability

Unspun:

Spun:

24 hours
Room temperature: 24 hrs
Refrigerator: 5 days
Frozen: 4 weeks
Availability Routine: 24 hrs/day
  STAT: Yes
Turnaround Time   Routine: 2 hrs; STAT: 1 hr
Reference Range  
Before 10:00am:  4.5 - 22.7 µg/dL
After 5:00pm:       1.7 - 14.1 µg/dL
Critical:                 <1.5 µg/dL
Comment
This test is performed using the Siemens Atellica IM Cortisol assay effective 7/13/21.  Different test methods should not be used interchangeably.  Heterophilic antibodies may cause interference.

Reviewed by Christopher Parker on July 13, 2021

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

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