X328

Test CODE NAME

X328

Cortisol Free and Total

Methodology: See individual test
Performed: Sun-Sat
Reported: 2-6 days
Specimen Required: Collect: Serum Separator Tube (SST) - 2 ml serum . Also acceptable: Red Top OR Lavender (EDTA) 
Specimen Preparation: Allow specimen to clot completely at room temperature . Centrifuge specimen. Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to a Standard Transport Tube for Cortisol Free test. Label plainly as a.m. or p.m. collection.
Storage/Transport Temperature: Refrigerated 
Unacceptable Conditions:Specimens collected in plasma separator tubes containing heparin. Grossly hemolyzed or heparinized specimens.
Stability: After separation from cells:  Refrigerated: 5 days; Frozen: 1 month
Note: This test is approved for NY .
Performing Labs 
Accu Reference Medical Laboratory 
ARUP Laboratory
CPT Code(s): see individual tests