Phosphorus


Abbrev Code:PHOS   
Order Code:LAB113Order Name:Phosphorus
Synonyms:PO4; Phosphate
Methodology:Roche: Molybdate UV
Vista: Bichromatic endpoint
Woodwinds: Phosphomolybdate UV
CPT Codes: 84100 x1, 84100 x1
Turnaround Time:Performed and reported 24 hours/day.
Associated Links:

Roche Go Live Schedule



Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Collection Instructions:Chemistry Tests Containers Chart
Causes for Rejection:Hemolysis


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1.25 mL, 0.1 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Serum/plasma should be separated from the cells within 2 hours to avoid falsely high PO4. Hemolyzed specimens are unacceptable unless analyzed immediately. 4 days at refrigerated temperature; 1 year frozen.
Test Performed at or Referral Lab Chemistry  (CSC Maple Grove, Grand Itasca, Northland, Oxboro Clinic, Range, Roche-CSC Mpls, Roche-Lakes, Roche-Ridges, Roche-St. John's, Roche-UMMC East, Southdale, UMMC/UMMCH-West Bank, Woodwinds)


Interpretive

Critical Range:Basic, Electrolyte and Renal Panels Critical Values and Reference Ranges
Reference Range:Basic, Electrolyte and Renal Panels Critical Values and Reference Ranges
Use:Evaluate phosphorus metabolism.


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