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Phosphorus (P)

SI UNITS (recommended)

CONVENTIONAL UNITS



* The SI units is the recommended method of reporting clinical laboratory results

Synonym
Inorganic phosphorus, PHOS, P, PO4, Phosphate
Units of measurement
mmol/L, µmol/L, mg/dL, mg/100mL, mg%, mg/L, µg/mL

88 % of the phosphorus contained in the body is localized in bone in the form of calcium phosphate as the apatite Ca 2 + [Ca3(PO4)2]3 2- . The remainder is involved in intermediary carbohydrate metabolism and in physiologically important substances such as phospholipids, nucleic acids and ATP. Phosphorus occurs in blood in the form of inorganic phosphate and in organically bound phosphoric acid. The small amount of extracellular organic phosphorus is found almost exclusively in the form of phospholipids. The ratio of phosphate to calcium in the blood is approximately 6:10. An increase in the level of phosphorus causes a decrease in the calcium level. The mechanism is influenced by interactions between parathormone and vitamin D. Hypoparathyroidism, vitamin D intoxication and renal failure with decreased glomerular phosphate filtration give rise to hyperphosphatemia. Hypophosphatemia occurs in rickets, hyperparathyroidism and Fanconi’s syndrome.

SI units Conversion Calculator. Convert Phosphorus (P) level to mmol/L, µmol/L, mg/dL, mg/100mL, mg%, mg/L, µg/mL. Clinical laboratory units online conversion from conventional or traditional units to Si units. Table of conversion factors for Phosphorus (P) unit conversion to mmol/L, µmol/L, mg/dL, mg/100mL, mg%, mg/L, µg/mL.