Phosphorus, Random Urine

Sunquest Code:UPHOSR  
Epic Code:LAB427Epic Name:Phosphorus Random Urine
Methodology:Bichromatic endpoint
St Johns/St Joseph/Woodwinds: Phosphomolybdate UV
Test Includes:Phosphorus Urine mg/dL; Phosphorus Urine g/g Cr; Creatinine Urine mg/dL
Turnaround Time:Performed and reported 24 hours/day.

Collection Instructions

Specimen:Urine, random collection
Optimal Volume:Submit entire collection; analysis requires 1 mL.
Container:Plastic leakproof container, sterile

Processing and Shipping

Specimen Processing:Mix collection well before aliquot is taken. Aliquot 5 mL, 1 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Refrigerated - 7 days; frozen - 6 months.
Test Performed at or Referral Lab Chemistry  (Range, UMMC-West Bank, UMMC-East Bank, Ridges, Southdale, M Health Clinic and Surgery Center, St. Joseph's)


Reference Range:0.4-1.3 g/24 hours. Reference values vary with diet.

Pediatric Interpretation on a random specimen
Age Phosphate/Creatinine
0-11 mo 0.3-5.2 mg/mg
12-23 mo 0.3-4.0 mg/mg
2-3 y 0.3-3.1 mg/mg
4-5 y 0.3-2.2 mg/mg
6-7 y 0.3-1.2 mg/mg
8-10 y 0.3-1.0 mg/mg
11-14 y 0.2-0.9 mg/mg
15-17 y 0.2-0.8 mg/mg
Use:Evaluate phosphorus metabolism.

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