Test Code LAB10099 Cortisol, PM
Department
CHEMISTRY
Collection Requirements
Draw only between 4:00 pm and 10:00 pm.
Not appropriate for stimulation or suppression tests.
Refer To
Cortisol, Miscellaneous if performing a stimulation or suppression test.
Primary Collection Container
Gold (SST)
Alternate Collection Container
Yellow Microtainer SST
Transport
Refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge and refrigerate.
Stability
Ambient: 8 hours
Refrigerated: 48 hours
Minimum Testing Volume
0.5 mL
Reference Range
3.1-16.7 mcg/dL
Methodology
Roche e801 Electrochemiluminescence immunoassay; Competition principle
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
82533
Unacceptable Conditions
Results may be falsely elevated if patient is receiving Prednisolone or Prednisone therapy.