Test Code CORSF Cortisol, Free by Equilibrium Dialysis/LC-MS/MS
Clinical Indications
Screen, diagnose, and monitor diseases associated with excess or deficient cortisol production.
Additional Test Codes
Epic Order Name: SERUM FREE CORTISOL (aka CORSF)
Sunquest Order Code: CORSF
Epic Px Code: LAB2162
Specimen Collection Type
Preferred: Gold
Acceptable: Red or lavender
Minimum Collection Volume
0.6 mL
Reference Range
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 |
Critical Value
n/a
Interpretation
N/A
Rejection Criteria
Grossly hemolyzed, icteric, lipemic or heparinized specimens
Specimen Availability for Add-on Testing
2 Days
Specimen Stability
Frozen (preferred): 6 months
Ambient: Unacceptable
Refrigerated: 1 week
Day(s) Performed
Sun, Tue, Thu, Fri
Performing Lab - Department
TUKHS-BH-Mail Outs
CPT Code
82530
LOINC Code
2145-1
Test Alias
Hydrocortisone, Free
Additional Information / Notes
Recommended collection times are 8-10 a.m. or 4-6 p.m.
To convert to nmol/L, multiply µg/dL by 27.6