Cortisol (COR)

Department: Chemistry
Test Synonym(s): LAB61, COR
CPT Codes: 82533
Methodology: Chemiluminescent Microparticle Immunoassay (CMIA)
Reference Range: 0-150yrs (before 10AM)-interpretive: 3.7-19.4mcg/dL , 0-150yrs (after 5PM)-interpretive: 2.9-17.3
Tube Type: Light green top PST (Lithium Heparin with gel) tube - 4.5 mL
Specimen: Plasma
Pediatric Requirements: 1 light green top microtainer
Volume: 1 mL plasma
Minimum Volume: 1 light green top
Temperature: Centrifuge immediately and store at 2-8 degrees C. If not performed within 24 hours, freeze at -20 degrees C
Stability: Room temperature: 8 hrs; Refrigerated: 14 days; Frozen: 14 days (< or = -10c)
Reasons for Rejection: Hemolysis; improper collection
Days Performed: Daily
Times Performed: Continuous
TAT: STAT: 1 hour; ROUTINE: 2 hours after receiving in lab
Special Instructions: Draw between 8-9 AM and 11 PM

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