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Dexamethasone Suppression Cushings

Last Modified: 10/12/2012 7:29:38 AM


Client Notes:

Contact the Parkview Health Outpatient Scheduling at 260-373-8900 or 1-877-225-5747 to schedule this procedure

Note Method of choice on order
Specimen Requirements: 1.0 mL Serum in a SST Red Top Yellow Ring Tube
Collection Instructions:
Cushing’s Syndrome Method
 
1.  A dose of 1 mg of Dexamethasone is to be given to the patient at 11:00 P.M.
2.  Request an 8:00 A.M. Cortisol to be drawn the next morning.
3. Order Test Code CORTA
Minimum Volume: 0.25 mL
Transport & Storage: Temperature/Stability: 5 days Refrigerated 
3 months Frozen 

24 hours unspun
Reference Range: Refer to Interpretive Results
Test Comments:
In the screen for Cushing’s Syndrome, the Cortisol level will not be suppressed if the disease is present.
Methodology: Chemiluminescence
Documentation:
Two methods are acceptable for Dexamethasone Suppression Testing. The first one is used primarily as a screening test for Cushing’s Syndrome. The second is used on psychiatric patients to diagnose depression.
Custom Panel: No

PRODUCTION SCHEDULE

Stat Eligible: Yes
Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Parkview Regional Medical Center
PHL Test Code: DSTC
Alternate Test Names: Cushings; Dexamethasone Suppression for Cushings
Included Tests: 8am Cortisol
CPT Coding: 82533

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