An insulin tolerance test (ITT) is a medical diagnostic procedure during which insulin is injected into a patient's vein to assess pituitary function, adrenal function, and sometimes for other purposes.
An insulin tolerance test (ITT) is a medical diagnostic procedure during which insulin is injected into a patient's vein, after which blood glucose is measured at regular intervals. This procedure is performed to assess pituitary function, adrenal function, and sometimes for other purposes.