Polydipsia is possible to rule out psychogenic polydipsia or habit polydipsia. Polydipsia is a symptom (evidence of a disease state), not a disease in itself. As it is often accompanied by polyuria, investigations directed at diagnosing diabetes insipidus and diabetes mellitus can be useful. Blood serum tests can also provide useful information about the osmolality of the body's extracellular fluids. A decrease in osmolality caused by excess water intake will decrease the serum concentration of red blood cells, blood urea nitrogen (BUN), and sodium. Polydipsia Polydipsia is excessive thirst or excess drinking. The word derives from the Greek () "very thirsty",
German Agency for Quality in Medicine German Agency for Quality in Medicine The German Agency for Quality in Medicine (AEZQ) - in German "Ärztliches Zentrum für Qualität in der Medizin (ÄZQ)", established in 1995 and located in Berlin, co-ordinates healthcare quality programmes with special focus on evidence-based medicine, medical guidelines, patient empowerment, patient safety programs, and quality management. AEZQ is a non-profit organization owned by the German Medical Association and the National Association of Statutory Health Insurance Physicians. AEZQ initiated several quality programs for the German healthcare system: It established the German Program for evidence based medical guidelines in the late 90s. Based upon guideline standards