Dexamethasone Suppression
Heparin (light green), SST (gold)
0.4 ml Heparin (light green) or Plain serum (red)
Biochemistry
Mon - Fri, 0800 - 1630 excl. Public Holidays
An early morning cortisol level below 50 nmol/L following a 1 mg Dexamethasone tablet taken at 2300 hrs the previous day excludes Cushing's syndrome.
use the ISL Dynamic request form
