Dynamic TestsCorticotropin System CRH (Corticotropin Releasing Hormone) test Dexamethasone (rapid inhibition) test Metyrapone (Metopirone®) test Synacthen® test (rapid or immediate)Gonadotropin System HCG test (boys) HCG test (adult men) LH-RH testProlactin System TRH + metoclopramide testGrowth Hormone System L-DOPA test with measurement of hGH Arginine test Arginine / insulin test Clonidine test GH-RH or GRF test Glucagon propranolol test Insulin test Ornithine testThyroid System Pentagastrin test TRH testDiabetes Glucagon test Induced hyperglycaemia (oral challenge) O’Sullivan's testCardiovascular System Captopril test Orthostatism testGastroenterology D-xylose test Urea breath test (Helicobacter pylori) Secretin testOther Tests Desferal® testCorticotrope Axis