Cortisol COR

Method(s) Chemiluminescent Immunoassay
Specimen Required
Collect

One 5 mL gold (SST) top tube, preferred. Also acceptable: Lithium Heparin or EDTA plasma.

Transport

1 mL serum at 2-8°C.

Stability

Ambient: 8 hours; Refrigerated: 2 days; Frozen: 1 month

Schedule Daily, except Sundays
Billing Code 1010068
CPTCode 82533
Preferred Specimen Collection Device(s)
Reference Interval

7 - 9 am: 5.3 - 22.5 mcg/dL
4 - 6 pm: 3.4 - 16.8 mcg/dL
Late afternoon levels fall to approximately half of morning level.

Use specific codes to order timed cortisols for stimulation or suppression studies.

Test CodeTest Name
CORCortisol, Random
CORBCortisol, Baseline
COR30Cortisol, 30 min
COR60Cortisol, 60 min
COR90Cortisol, 90 min
COR120Cortisol, 120 min
COR4HRCortisol, 4 hour
COR6HRCortisol, 6 hour
COR8HRCortisol, 8 hour

No Appointment Necessary
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12 Patient Service Centers in Central New York.

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