BUN/Creatinine Ratio

Differentiate causes of acute kidney injury.

Renal Function & Filtration

Calculate Glomerular Filtration Rate (GFR) and Creatinine Clearance using clinical standard formulas.

Medical Disclaimer

This tool is for educational and screening purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

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About BUN/Creatinine Ratio

The BUN/Creatinine Ratio tool calculates the ratio of Blood Urea Nitrogen (BUN) to serum creatinine. Designed for clinicians, including physicians, residents, and medical students, it aids in differentiating causes of acute kidney injury (AKI) and suspected renal dysfunction. By providing this simple, readily available ratio, the tool helps distinguish between pre-renal, intrinsic renal, and post-renal AKI. For instance, a high ratio (typically >20:1 with normal creatinine) often indicates pre-renal azotemia, suggesting conditions like dehydration. Conversely, a lower ratio may point to intrinsic kidney disease. This quick calculation offers immediate value, guiding initial diagnostic pathways and informing management strategies for patients with compromised kidney function.

Renal Function & Filtration

Calculate Glomerular Filtration Rate (GFR) and Creatinine Clearance using clinical standard formulas.