Endocrine Abstracts

Introduction: There is evidence that an early morning plasma cortisol (EMC) below <160 nmol/l is predictive of failing the SST and the corollary is seen with an EMC above >340 nmol/l. Using an EMC to screen patients for AI has been advocated, although there is a paucity of paediatric studies. Modern sensitive and specific cortisol assays make deriving local diagnostic thresholds important. We analysed our SST data since the introduction of a new cortisol assay to deriv...