Screen, diagnose, and monitor diseases associated with excess or deficient cortisol production.
Equilibrium Dialysis/Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Sun, Tue, Thu, Fri
New York DOH Approval Status
Recommended collection times are 8-10 a.m. or 4-6 p.m.
Plain red or serum separator tube, lavender (EDTA) or pink (K2EDTA).
Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.6 mL)
Grossly hemolyzed, icteric, lipemic or heparinized specimens.
Indicate time of draw on test request form and specimen tube.
After separation from cells: Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 6 months
|Age||Time of Collection||Reference Range|
|0 - 17 years||Not established|
|18 years of age and older||8-10 a.m. collection||0.21 - 1.04 µg/dL|
|18 years of age and older||4-6 p.m. collection||0.10 - 0.63 µg/dL|
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
To convert to nmol/L, multiply µg/dL by 27.6.
|Component Test Code*||Component Chart Name||LOINC|
|2012698||Cortisol, Free by ED/LC-MS/MS||2145-1|
- Hydrocortisone, Free