Dexamethasone Level

Last Modified: 10/26/2021 6:32:01 AM

Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements: 1.0 mL Serum from a Red Top Tube in a Plastic Vial
Collection Instructions: Draw blood between 8:00 and 10:00 a.m. 

Do not collect in a Serum Separator Tube (SST or PST)
Minimum Volume: 0.25 mL
Transport & Storage: Temperature/Stability: 72 hours Ambient
14 days Refrigerated
90 days Frozen
Rejection Criteria: Grossly lipemic or hemolized; In a Serum Separator Tube (SST)
Reference Range: Refer to Interpretive Results
Critical Ranges:  
Test Comments:  
Methodology: Liquid Chromatography / Tandem Mass Spectrometry
Clinical Significance: Measurement of Dexamethasone is useful in assuring compliance with Dexamethasone treatment and documenting adequate dosing during such procedures as the Dexamethasone Suppression Test used in the differential diagnosis of Cushing's syndrome.
Custom Panel: No


Turn Around Time: 7 to 14 days
Days Performed: Sunday
Sites Performed: Quest - Chantilly to San Juan Capistrano
PHL Test Code: MSOT
EPIC Test Code:
Send Out Test Code: 29391X / 78222
Alternate Test Names: Dex Level
Included Tests:  
CPT Coding: 80299

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