Diabetes Urine Tests

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Urine tests for diabetes facts

  • Urine tests may be done in people with diabetes to evaluate severe hyperglycemia (severe high blood sugar) by looking for ketones in the urine.
  • Ketones are a metabolic product produced when fat is metabolized. Ketones increase when there is insufficient insulin to use glucose for energy.
  • Urine tests are also done to look for the presence of protein in the urine, which is a sign of kidney damage.
  • Urine glucose measurements are less reliable than blood glucose measurements and are not used to diagnose diabetes or evaluate treatment for diabetes. They may be used for screening purposes.
  • Testing for ketones is most common in people with type 1 diabetes.
  • Both people with type 1 diabetes and type 2 diabetes typically have microalbumin testing.

What are urine tests for diabetes?

Urine tests are tests performed in a clinical laboratory or at home using self-test kits and a sample of the patient's urine. Urine tests can be performed for a variety of reasons, but in people with diabetes, they are most commonly used to look for ketones or microalbumin (see below). Urine glucose (sugar) can also be measured, but this is less valuable than blood glucose levels for diagnosis and monitoring of diabetes, so this is not commonly done as a way to monitor blood glucose status.

Medically Reviewed by a Doctor on 5/22/2013

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