About BUN/Creatinine Ratio Test

The BUN/Creatinine ratio blood test is used to diagnose acute or chronic renal (kidney) disease or damage. It may also be used to determine gastrointestinal.

The BUN/Creatinine Ratio Test is a laboratory test. Your health care provider can explain what it measures and whether it is appropriate for your situation.

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How to prepare

Most lab tests require a blood or other sample. Follow any instructions given by your healthcare provider or the testing laboratory. Tell your provider about medications, supplements, or recent illnesses that might affect results.