Urinary Calcium (Spot Ca/Cr + 24-hour Excretion)
Urinary Calcium (Spot Ca/Cr + 24-hour Excretion) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
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What this is
Urinary Calcium (Spot Ca/Cr + 24-hour Excretion) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Urinary Calcium (Spot Ca/Cr + 24-hour Excretion) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Pearle MS, Goldfarb DS, Assimos DG, et al. Medical management of kidney stones: AUA guideline. J Urol. 2014;192(2):316-324. Pediatric bands: Sargent JD, Stukel TA, Kresel J, Klein RZ. Normal values for random urinary calcium to creatinine ratios in infancy. J Pediatr. 1993;123(3):393-397. Read the source ↗
Worked example: Spot Ca/Cr 0.3 mg/mg (≈ 0.85 mmol/mmol) — above the adult (> 0.20) threshold (hypercalciuria).
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