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Cortisol, Total : 367
Test CodeCORTC or 367
Alias/See Also
Hydrocortisone, Total Cortisol, Cortisol, Serum
CPT Codes
82533
Instructions
Assay not recommended when patient is receiving prednisone/prednisolone therapy due to cross reactivity with the antibody used in this assay.
Transport Container
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
1 mL serum
Minimum Volume
0.5 mL
Transport Temperature
Room temperature.
Specimen Stability
Room temperature: 7 days; Refrigerated: 7 days; Frozen: 28 days
Methodology
Immunoassay
Setup Schedule
Sunday - Saturday
Report Available
1 day
Reference Range
0-3 Days (infants)
Premature (31-35 Weeks) a.m. or p.m. ≤15.0 mcg/dL
Term a.m. or p.m. ≤14.0 mcg/dL
4 Days-1 Month a.m. or p.m. Not established
2-11 Months a.m. 3.0-23.0 mcg/dL; p.m. Not established
1-17 Years a.m. 3.0-25.0 mcg/dL; p.m. 3.0-17.0 mcg/dL
Adult 8 a.m. (7-9 a.m.) specimen 4.0-22.0 mcg/dL
Adult 4 p.m. (3-5 p.m.) specimen 3.0-17.0 mcg/dL
Clinical Significance
Cortisol is increased in Cushing's Disease and decreased in Addison's Disease (adrenal insufficiency).
Performing Laboratory
med fusion
