Corticosterone, Pediatric


Sunquest Code:CORSNP  
Epic Code:LAB6875Epic Name:Corticosterone, Pediatric
Methodology:Liquid chromatography/Tandem mass spectrometry
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 2-10 days.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.7 mL
Container:Red (no gel) (Green (sodium heparin, no gel), Purple (EDTA))
Patient Preparation:An early morning specimen is preferred.
Causes for Rejection:Gel tubes.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.25 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Stability:Stability: 28 days at room temperature, refrigerated or frozen.
Test Performed at or Referral Lab Lab Sendouts  (Quest Diagnostics)
Referral Lab number:6547X


Interpretive

Reference Range:

By report.

 

Use:Measurement of corticosterone may help confirm the diagnosis of the very rare aldosterone deficiency disorder, corticosterone methyl oxidase (18-hydroxylase) enzyme deficiency where the ratio of corticosterone to 18-hydroxycorticosterone may be increased.


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