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Urine Tests for Diabetes (cont.)

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Ketone test

This test detects the presence of ketones, which are byproducts of metabolism that form in the presence of severe hyperglycemia (elevated blood sugar). Ketones are formed from fat that is burned by the body when there is insufficient insulin to allow glucose to be used for fuel. When ketones build up to high levels, ketoacidosis (a serious and life-threatening condition) may occur.

Ketone testing can be performed both at home and in the clinical laboratory. Ketones can be detected by dipping a test strip into a sample of urine. A color change on the test strip signals the presence of ketones in the urine. Ketones occur most commonly in people with type 1 diabetes, but uncommonly, people with type 2 diabetes may test positive for ketones.

Microalbumin test

The microalbumin test detects microalbumin, a type of protein, in the urine. Protein is present in the urine when there is damage to the kidneys. Since the damage to blood vessels that occurs as a complication of diabetes can lead to kidney problems, the microalbumin test is done to check for damage to the kidneys over time.

Can urine tests be used to diagnose diabetes?

While urine tests can show signs that may signal diabetes, such as elevated sugar or ketones, the diagnosis of diabetes is made on the basis of blood tests. Urine tests may be done in some cases as back-up testing or for screening to see if blood tests should be done, but the diagnosis of diabetes is made after blood glucose testing.

Medically Reviewed by a Doctor on 12/4/2014

Source: MedicineNet.com
http://www.medicinenet.com/urine_tests_for_diabetes/article.htm

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