Glycosuria - Definition

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Glucose is a simple sugar used as the body cells' primary energy source. Normally there should be no glucose in the urine, or in very small quantities. Urinary glucose is detected with a strip dipped in a urine sample: this is called glycosuria. The presence of urinary glucose is caused by hyperglycemia, glucose levels in the blood are increased too, and when a threshold capacity of reabsorption by the kidney is exceeded, the glucose is released into the urine. Glycosuria may be a way of discovering diabetes, or mark the existence of poorly controlled diabetes.