Understand your BUN:Creatinine Ratio Blood Test Results…

This page helps you to understand blood test results for BUN:Creatinine Ratio and gives you the reference range to determine if your lab test results mean that you have high cholesterol, low cholesterol or normal cholesterol levels. 

We outline the risk factors associated with raised or low BUN:Creatinine Ratio levels.

Reference Ranges for BUN:Creatinine Ratio

Measurement unit Metric Optimal Risk
US Conventional Units Ratio 0-10 <10 or >20
Standard International Units Ratio 0-10 <10 or >20
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What is BUN:Creatinine Ratio

The BUN:Creatinine ratio is the amount of Urea Nitrogen in the Blood divided by the amount of creatinine in the blood.

BUN and creatinine are the primary tests used to check how well the kidneys are able to filter waste products from your blood. The BUN-to-creatinine ratio generally provides more precise information about kidney function and its possible underlying cause compared with looking at creatinine or BUN in isolation [59].

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Function of BUN:Creatinine Ratio

See relevant marker pages for the function of Creatinine and BUN

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Risk factors associated with BUN:Creatinine Ratio

An increased ratio may be due to a condition that causes a decrease in the flow of blood to the kidneys, such as congestive het disease or dehydration. It may also be seen with increased protein, from gastrointestinal bleeding, or increased protein in the diet. The ratio may be decreased with liver disease (due to decrease in the formation of urea) and malnutrition [59].

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Notable variations by BUN:Creatinine Ratio

See relevant marker pages for the function of Creatinine and BUN

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Diet to improve BUN:Creatinine Ratio

Hydrate, but don’t overdo it. While it’s always a good idea to drink enough water, drinking more than the typical four to six glasses a day won’t help your kidneys do their job any better and can lead to fluid retention for people with poor kidney function [62].

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Supplements for BUN:Creatinine Ratio

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Exercise to improve BUN:Creatinine Ratio

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Sleep to improve BUN:Creatinine Ratio