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Diabetes: Urine Tests for Protein

Topic Overview

Protein normally is not found in urine. When the kidneys are damaged by diabetes, small amounts of protein begin to leak into the urine. If blood sugar levels stay high and early kidney damage is left untreated, larger amounts of protein may be lost, possibly leading to kidney failure.

Urine tests for protein levels in people with diabetes check for amounts of albumin (protein). A urine test for protein can be done on a sample of urine collected randomly (usually the first time you urinate in the morning), a sample collected over 24 hours, or a sample collected over a specific period, such as 4 hours or overnight.

No preparation is needed for this test, but results can be affected by factors such as high blood sugar levels, recent exercise, urinary tract infections, high blood pressure, heart failure, or a high fever during an infection.

Related Information

Credits

By Healthwise Staff
Primary Medical Reviewer John Pope, MD - Pediatrics
Specialist Medical Reviewer Stephen LaFranchi, MD - Pediatrics, Pediatric Endocrinology
Last Revised August 1, 2012

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