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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Hypercalciuria is said to be present in children if daily calcium excretion in urine is more than:
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The correct answer is  Ans: d (4 mg/kg) Ref:Nelson, 17th ed, p. 1824, Table 539-1, 18th ed, p. 2184, Table 547-3Normal values of urine chemistry in childrenCalcium< 4.0 mg/kgOxalate< 0.57 mg/kgUric acid< 10.7 mg/kgCitrate> 2.0 mg/kgCysteinea) Heterozygote 1.4 - 2.8b) Homozygote >5.7Phosphate <15.0