BUN/Creatinine Ratio

The BUN/Creatinine ratio compares blood urea nitrogen to creatinine levels to help determine the cause of kidney-related abnormalities. Both are waste products filtered by the kidneys, but they are a…

Category: Metabolic Panel

Also known as: bun/creatinine ratio, bun creatinine ratio, bun/cr ratio, bun cr

Reference range: 10–20 ratio (Source: ABIM)

Standard unit: ratio

High values may indicate

A high BUN/Creatinine ratio may indicate dehydration, gastrointestinal bleeding, high protein intake, or heart failure.

Low values may indicate

A low BUN/Creatinine ratio may indicate liver disease, malnutrition, or a very low-protein diet.

Source: MedlinePlus, U.S. National Library of Medicine

Track your BUN/Creatinine Ratio over time with BloodId