ARUP's Laboratory Test Directory

Adrenocorticotropic Hormone Stimulation, 30 Minutes : 0070032

Mnemonic: CORTISOL30

Methodology: Chemiluminescent Immunoassay
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  Timed specimen at 30 minutes: one 4 mL plasma separator tube or serum separator tube.

Transport:  1 mL serum or plasma at 2-8°C.  (Min: 0.4 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport:  0.4 mL serum or plasma at 2-8°C.

Remarks:  Allow specimen to clot completely at room temperature.  Separate serum or plasma from cells ASAP.  Specimen must be labeled with time drawn.

Stability:  After separation from cells: Ambient: 1 week; Refrigerated: 1 week; Frozen: 3 months
Reference Interval:
By report
Interpretive Data: Normal peak serum cortisol is greater than 20 µg/dL 30 to 60 minutes after 25 units cosyntropin IV.
Note: To convert to nmol/L, multiply µg/dL by 27.6.
CPT Code(s): 82533
 
 

 

 

 
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