ALB and Hypercalciuria: Laboratory investigations showed proteinuria (2+) with increased 24-hour UTP, albuminuria (elevated urine albumin and ACR), tubular proteinuria (LMW proteinuria and elevated urine α1-MG), hypercalciuria (increased urinary calcium to creatinine ratio [UCa/Ucr]), hypophosphatemia and hypokalemia (Table 1).