Sunquest Code:COH18  
Epic Code:LAB3400Epic Name:18 OH Corticosterone
Methodology:Tandem mass spectrometry
CPT Code:82542
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 5-12 days.

Collection Instructions

Optimal Volume:6 mL
Minimum\Peds Volume:2.2 mL
Container:Red (no gel) (Green (sodium heparin, no gel), Purple (EDTA), Red or gold (gel))

Processing and Shipping

Specimen Processing:Separate serum from cells within 1 hour of collection. Centrifuge and aliquot 3 mL, 1.0 mL minimum. Freeze immediately.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2007582 (18 HYDRO)


Reference Range:

By report.


Use:May be useful in working up patients with aldosterone deficiency or unusual cases of aldosterone excess.

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