Cortisol, Free
| Label Mnemonic: | CORTF |
| Epic code: | LAB7775 |
| Downtime form: | A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery |
Commercial Mailout Laboratory
6240-8 RCP
356-8593
6240-8 RCP
356-8593
Specimen(s):
Serum
Specimen
Instructions:
Recommended collection times are 8-10 a.m. or 4-6 p.m.
Collection Medium:
 |
| Red top tube 5 mL (Clot Activator) |
Minimum:
Preferred Minimum: 1 mL serum collected in a red-top tube.
Absolute Minimum: 0.6 mL serum collected in a red-top tube.
Indicate time of draw on test request form and specimen tube.
Absolute Minimum: 0.6 mL serum collected in a red-top tube.
Indicate time of draw on test request form and specimen tube.
Rejection Criteria:
Grossly hemolyzed, icteric, lipemic or heparinized specimens.
Turn Around
Time:
2-5 days upon receipt at reference laboratory
Reference Range:
0 - 17 years Not established 18 years of age and older 8-10 a.m. collection 0.11-1.04 μg/dL 18 years of age and older 4- 6 p.m. collection 0.10-0.63 μg/dL
Comments:
To convert to nmol/L, multiply μg/dL by 27.6.
This test is recommended to screen, diagnose, and monitor diseases associated with excess or deficient cortisol production.
This test is recommended to screen, diagnose, and monitor diseases associated with excess or deficient cortisol production.
Methodology:
Equilibrium Dialysis/Quantitative
Performance Liquid Chromatography-Tandem Mass Spectrometry
Performance Liquid Chromatography-Tandem Mass Spectrometry
CPT Code:
82530