High BUN to Creatinine Ratio
A normal BUN to creatinine ratio of 10:1 to 20:1 indicates balanced kidney function and adequate hydration. High protein intake alone can elevate the BUN to creatinine ratio. A BUN to creatinine ratio above 20:1 is considered abnormal. Imp…
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A normal BUN to creatinine ratio of 10:1 to 20:1 indicates balanced kidney function and adequate hydration. High protein intake alone can elevate the BUN to creatinine ratio. A BUN to creatinine ratio above 20:1 is considered abnormal. Impaired kidney function or chronic kidney disease are primary concerns with a high BUN to creatinine ratio. A high BUN to creatinine ratio can also result from dehydration, acute kidney injury, congestive heart failure, urinary tract obstruction, hyperthyroidism, or gastrointestinal bleeding. A dangerously high BUN to creatinine ratio warrants further medical investigation of the underlying cause and individual factors.