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Laboratory: Clinical Biochemistry  (SENDOUTS)
Test Name:
CORTISOL, LC-MS/MS - (S)
Test Code: MIS8
Clinical Information:
Second-order testing when cortisol measurement by immunoassay gives results not consistent with clinical symptoms, or if patients are known to, or suspected of taking exogenous synthetic steroids.  For confirming presence of synthetic steroids, order Synthetic Glucocorticoid Screen.
Collection Devices:
Specimen Required:
Serum: 4.0 mL
Pediatric Serum: 1.0 mL


Serum: 0.6 mL
Pediatric Serum: 0.6 mL

Morning (8 a.m.) and afternoon (4 p.m.) specimens are preferred.
Referral:
Serum: 0.6 mL
Pediatric Serum: 0.6 mL

0.6 mL serum collected without separator gel.  
Store and ship refrigerated temperature.  Minimum volume:  0.25 mL
Requisition:
Reference Values:
A.M.
< 16 years:  not established
≥ 16 years:  5 - 25 μg/dL
 
P.M.
< 16 years:  not established
≥ 16 years:  2 - 14 μg/dL
Availability:
Within 5 Days
Within 5 days. Orderable by physicians specializing in endocrinology -authorized physicians only.
See Also:
More Information:
Store and ship refrigerated (preferred) to Mayo Medical Laboratories.  Mayo Test ID:  CINP / 9369.
Stability:  refrigerated 7 days,  frozen 14 days.