Normally, as the level of plasma glucose and the filtered load rises, renal tubular reabsorption of glucose rises linearly until a maximum tubular resorptive capacity is reached. The Fanconi syndrome, pregnancy, and acute tubular necrosis are examples of this phenomenon. If the renal tubule capacity for glucose reabsorption is impaired for constitutional or acquired reasons, glucosuria can occur with normal plasma glucose concentrations. In some cases, your doctor may order a urine test to check for kidney problems or a urinary tract infection. However, they are less common now that blood tests have become more accurate and easier to use. Urine tests were once the main type of testing used to measure glucose levels in people who potentially had diabetes. In addition, people with diabetes could use the urine glucose test as a way of monitoring the degree of sugar control, or efficacy of treatments. Why Is A Urine Glucose Test PerformedĪ urine glucose test used to be performed to check for diabetes. Generally, if your doctor suspects you may have diabetes, they will also order a blood glucose test, as these are more accurate. This type of test is also often done during a routine screening. One of the tests done during this analysis is a glucose in urine test.
If your doctor suspects you may have symptoms of one of the conditions that cause sugar in urine, they will typically order a urine analysis. Colourimetry (testing for glucose in urine) – Biology A-level Required Practical
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