<prompt> Causes of low urinary calcium include?Renal tubular acidosisCushings syndromeChronic glomerulonephritisCKDPagets disease  <response>: A 1- hypercalciuria and nephrolithiasis. In Cushing syndrome- coisol- bone turnover and increased urinary calcium is seen. In Pagets disease of bone, urinary calcium is normal or increased In chronic glomerulonephritis, ESRD will ensue- decrease in vitamin D3, hypocalcemia and low urinary calcium. Causes of Hypocalciuria Drugs including thiazide diuretics Hypoparathyroidism, Pseudohypoparathyroidism Rickets Hypothyroidism Nephrosischronic kidney disease Familial hypocalciuric hypercalcemia FHH, also known as familial benign hypercalcemia 