Dexamethasone Level DEXAMETH

Synonyms

Allscripts (AEHR) Order Name

Dexamethasone Level

Sunrise Clinical Manager (SCM) Order Name

Dexamethasone Level

Clinical Info

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.

Specimen Type

Blood

Container

Red Top Tube

Collection Instructions

Container/Tube: Red Top Tub (gel not acceptable)
Specimen: 0.85 mL serum ( 0.6 mL min)
Transport Temperature: Refrigerated
Stability; 24 Hours Room Temperature
7 Days Refrigerated
2 Years Frozen

Note: Draw specimen between 8:00 and 10:00 am

Transport Instructions

Refrigerated

Specimen Stability

Methodology

Chromatography/Mass Spectrometry
TAT 3 - 11 Days (only set up Mondays)

Days Performed

Performing Laboratory

Quest Diagnostics' Nichols Institute, Inc. - Chantilly

CPT

80299
LOINC Code: 14062-4

PDM

5960035

Result Interpretation

Baseline: Less than 20 ng/dL
1mg dexamethasone overnight: 180 - 550 ng/dL (8:00 - 10:00am)

Forms