Nephrolithiasis 24-Hour Urine Stone Risk

Evaluate 24-hour urine collection parameters for nephrolithiasis risk: calcium, oxalate, uric acid, citrate, pH, and volume to guide prevention therapy.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How to Use

Enter the values for the scenario you are assessing. Evaluate 24-hour urine collection parameters for nephrolithiasis risk: calcium, oxalate, uric acid, citrate, pH, and volume to guide prevention therapy. Use the 24h urine stone risk result to inform your calculation.

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Frequently Asked Questions