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24 Hr. URINE PHOSPHORUS (WRJ)
MessageCHEMISTRY
Test Code
24 HR UA PO4
Alias/See Also
24HR PO4
Includes
TOTAL VOLUME PHOSPHORUS CREATININE
Preferred Specimen
24 HR URINE
Minimum Volume
20 ML
Instructions
OBTAIN 24HR URINE CONTAINER FROM THE LAB. THIS IS A DRY URINE JUG. DATE AND TIME OF COLLECTION AT THE START OF COLLECTION, AND AT THE END OF COLLECTION MUST BE RECORDED ON THE JUG. KEEP ON ICE DURING COLLECTION PERIOD. RECORD TOTAL VOLUME: mL/24 hrs
Transport Container
24HR URINE CONTAINER-NO PRESERVATIVE or URINE CONTAINER WITH 25 ML OF 6NHCL
Transport Temperature
REFRIGERATED OR CONTAINER ON ICE
Specimen Stability
Room temperature: 2 days at pH < 5
Refrigerated (2-8°C): No recommendation
Frozen (-20°C or colder): No recommendation
Refrigerated (2-8°C): No recommendation
Frozen (-20°C or colder): No recommendation
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
IMPROPER COLLECTION CONTAINER
Methodology
Phospho-Molybdate
Setup Schedule
DAILY:MON-FRI
Report Available
24-48 HRS
Reference Range
0.4-1.3 g/24h
Clinical Significance
Phosphorus is present in many foods with a mean intake of approximately 1500 mg per day for adult males and about 1000 mg per day for adult females. Absorbed phosphate, under the influence of parathyroid hormone is readily excreted in the kidney. Measurement of urinary phosphorus generally reflects dietary intake, hence, day-to-day excretion may show considerable variation.
Performing Laboratory
WHITE RIVER JUNCTION VT VA-CHEMISTRY 802-295-9363 EXT: 5518, 5519
