ARUP's Laboratory Test Directory

Cortisol, Serum Free : 0098391

Mnemonic: FCORTS

Methodology: Equilibrium Dialysis/Enzyme Immunoassay
Performed: Tue
Reported: 2-12 days
Specimen Required: Collect:  One 6 mL plain red.  Also acceptable: lavender (EDTA) or pink (K2EDTA).

Transport:  0.5 mL serum or plasma at 2-8°C.  (Min: 0.2mL) Submit specimen in an ARUP Standard Transport Tube.

Remarks:  Please label plainly as a.m. or p.m. collection. 

Unacceptable Conditions:  Hemolyzed or lipemic specimens.

Stability:  After separation from cells: Ambient: 2 days; Refrigerated: 1week; Frozen: 1 year
Reference Interval:
8-10 a.m. collection: 0.4-1.8 µg/dL
4-6 p.m. collection: 0.2-0.9 µg/dL
Interpretive Data:

Please refer to Statement D in the Compliance Statements section in the front of the Laboratory Test Directory.
Note: To convert to nmol/L, multiply µg/dL by 27.6.
CPT Code(s): 82530
 
 

 

 

 
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