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From Oregon, USA:

Does a person with Type 1 diabetes always have sugar in their urine? My daughter, who has diabetes, had a routine urine test done and there was sugar but no ketones in the urine. Her last blood sugar was 196 about 1 hour prior to the urine test. She then had her shot and her dinner.


Glucose will appear in the urine of a person with diabetes if the blood glucose rises above the renal threshold for glucose. That means when the blood glucose rises above a certain level, then glucose will spill out in the urine. The renal threshold is usually about 8 to 12 mmol/L (approximately 150 to 200 mg/dl). This means that glucose will appear in the urine when blood glucose rises, and so is not found in the urine all the time.


Original posting 24 Jun 2000
Posted to Blood Tests and Insulin Injections and Hyperglycemia and DKA


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