Specimen Collection Protocols - This test requires both a urine and a plasma sample collected at the same time.
Random Urine and 4.5 mL heparinised blood (green)
Ambient (8 - 24 degrees Celsius)
Phosphate is actively reabsorbed by the proximal tubule in the kidney but reabsorption is rarely complete. Reabsorption is inhibited by parathyroid hormone and accounts for some of the changes in the plasma when
82 – 97 %
See individual analytes. Tests performed on Beckman Coulter AU5822 analysers using Beckman Coulter reagents.
The urine sample is registered for UTRP (this will request a UPO4 and UCRN on the analyser) and the plasma sample is registered under a different Delphic number for CRN and PO4.