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Other factors that can sometimes cause phosphate levels to rise include excess vitamin D, decrease in magnesium levels in the body and for women, pregnancy. Low phosphate levels, on the other hand are indicative of hyperparathyroidism, osteomalacia, kidney and liver infections, lack of vitamin D and intense burns.
1 Low blood levels of calcium may be caused by low levels of protein (albumin) in the blood, because about half of all calcium in the blood is attached to albumin. 2  For this reason, an ionized calcium level (which is not attached to albumin) and a blood albumin level may also be measured.ow values. Low values of calcium may be caused by: 1  A low level of the blood protein albumin (hypoalbuminemia). 2  Hypoparathyroidism. 3  High levels of phosphate in the blood, which can be caused by kidney failure, laxative use, and other things.