Test Name
DEXAMETHASONE SUPPRESSION TEST, CORTISOL (HIGH DOSE, 48HR, 2MG SIX HOURLY)
Aliases
-
Abbreviations
HIGH DOSE DST
Test Classification
PANEL (PACKAGES)
Department
SPECIAL CHEMISTRY
Sub Department
-
TAT Category
BUSINESS (WORKING) TIME
Estimated TAT
96
TAT Units
HOURS
Test Requirements
Refer to lab handbook (specimen management guidelines) for detailed instructions.
Test components: BASAL (PRE-DEXAMETHASONE) 8AM & POST DEXAMETHASONE 8AM CORTISOL LEVELS.
Clinical Utility
Differentiating Cushing’s disease and ectopic ACTH production.
Last Review
26th Feb 2026