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Test Code CORTFR Cortisol, Free  

Important Note

Recommended collection times are 8-10 a.m. or 4-6 p.m. 

Screen, diagnose, and monitor diseases associated with excess or deficient cortisol production.
 

Additional Codes

2012697

Methodology

Equilibrium Dialysis/HPLC-Tandem Mass Spectrometry
 

Specimen Type

Blood

Preferred Collection Container

SST

Collection Volume

2.0 mL

Minimum Collection Volume

1.2 mL

Collection Instructions

Indicate time of draw on test request.
 

Transport

Refrigerated

Rejection Criteria

Grossly hemolyzed, icteric, lipemic or heparinized specimens
 

Specimen Storage and Stability

Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 6 months

Turn Around Time

3-6 days

Lab Department

Referred Testing

Test Alias

2012697; Hydrocortisone, Free
 

CPT Coding

82530

EPIC Code

LAB9031

Acceptable Collection Container

SST, R-NoGel, LAV (EDTA), PINK (EDTA)
 

Testing Volume

0.6 mL

Day(s) and Time(s) Performed

Sunday, Tuesday, Thursday, Friday
 

LOINC

2145-1