Pathological conditions in which the BLOOD GLUCOSE cannot be maintained within the normal range, such as in HYPOGLYCEMIA and HYPERGLYCEMIA. Etiology of these disorders varies. Plasma glucose concentration is critical to survival for it is the predominant fuel for the CENTRAL NERVOUS SYSTEM.

Synonyms: Glucose Metabolism Disorder, Glucose Metabolic Disorder, Metabolic Disorders, Glucose, Disorders, Glucose Metabolism, Metabolism Disorder, Glucose, Glucose Metabolism Disorders, Glucose Metabolic Disorders, Disorder, Glucose Metabolic, Disorders, Glucose Metabolic, Metabolic Disorder, Glucose, Disorder, Glucose Metabolism, Metabolism Disorders, Glucose