laboratory diagnostic - hormones - others - Gastrin - Zollinger-Ellison syndrome, serum 1ml. The serum must be frozen within 1 hour after collection and must be sent in the frozen samples container, Collect sample after fasting period of minimum 10 to 12 hours. Centrifuge and decant rapidely after clotting. CLIA, todylaboratories®, code L76LD1864