<prompt> A common finding in osteomalacia is-Low serum phosphateNormal level of 1,25 di-hydroxy vit D3Low serum calciumIncreased hydroxy proline in urine  <response>: Osteomalacia is a feature of long standing hypophoshatemia, which may be a consequence of renal phosphate wasting or chronic use of etidronate or phosphate binding antacids.Serum levels of 1,25OH2D levels are low despite normal 25OHD levels and elevated PTH.Occurs. in conditions of Increased Calcium level.and there is decreased hydroxy pro line in urine Harrison 17 pg 2375 