A high serum inorganic phosphorus can be due to a number of conditions.
Conditions associated with hyperphosphatemia include:
acromegaly
acute myelogenous leukemia
cirrhosis
hemolytic anemia
hyperthyroidism
hypocalcemia
hypoparathyroidism
lactic acidosis
large phosphate load (oral or intravenous)
malignant hyperthermia
milk-alkali syndrome
osteolytic bone metastases
phosphate enema or laxative
pseudohypoparathyroidism
renal failure, acute or chronic
respiratory acidosis
sarcoidosis
sickle cell anemia
tumor lysis syndrome
vitamin D intoxication
