ALB and Hypercalciuria: Laboratory investigations revealed that he had proteinuria (2+) with a 24-hour urinary total protein (UTP) beyond normal range, albuminuria (increased urine albumin and albumin-to-creatinine ratio [ACR]), tubular proteinuria (LMW proteinuria and elevated urine α1-microglobin [α1-MG]) and hypophosphataemia but no hypercalciuria(Table 1).