Phosphorus


Abbrev Code:PHOS   
Order Code:LAB113Order Name:Phosphorus
Synonyms:PO4; Phosphate
Methodology:Bichromatic endpoint
St. Johns/St Joseph/Woodwinds: Phosphomolybdate UV
CPT Codes: 84100 x1
Turnaround Time:Performed and reported 24 hours/day.


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Green (lithium heparin, gel), St Johns/St Joseph/Woodwinds-Green (lithium heparin, no gel)
Alternate Containers: Red (no gel), Red or gold (gel), St Johns/St Joseph/Woodwinds - Red (no gel)
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. Stability: Refrigerated - 7 days; frozen - 6 months.
Test Performed at or Referral Lab Chemistry  (M Health Maple Grove Clinic, Range, UMMC-East Bank, Oxboro Bloom, Lakes, Ridges, Northland, Southdale, UMMC/UMMCH-West Bank, M Health Clinic and Surgery Center, Grand Itasca, St. Joseph's, St. John's, 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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