Canis ISSN: 2398-2942

Blood biochemistry: phosphate

Synonym(s): PO4

Contributor(s): Kathleen P Freeman

Overview

  • Major component of bones and teeth (80-85% of phosphorus is bound there).
  • Major intracellular anion.
  • Also important in energy metabolism and acid-base balance.
  • Parathyroid hormone is main regulator - excreted through kidneys.
  • Marker of bone disease, parathyroid function and renal function.

Sampling

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Tests

Methodologies

  • Colorimetric assay for inorganic phosphate (organic forms not routinely evaluated).

Availability

  • Widely available at commercial laboratories.

Technique (intrinsic) limitations

  • Test results only significant in conjunction with other laboratory results and clinical findings.

Result Data

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Further Reading

Publications

Refereed papers

Other sources of information

  • Ettinger S J & Feldman E C (eds) (2000) Textbook of Veterinary Internal Medicine. 5th edn. Philadelphia: W B Saunders & Co.
  • Kaneko J J, Harvey J W & Brass M L (eds) (1997) Clinical Biochemistry of Domestic Animals. 5th edn. Boston: Academic Press.
  • Duncan J R, Prasse K W & Mahaffey E A (1994) Veterinary Laboratory Medicine. Clinical Pathology. 3rd edn. Iowa: Iowa University Press.


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