Test directory: Phosphorus, Urine

Ordering Code812
Test NamePhosphorus, Urine
Alias24 Hr Urine Phosphorus
Random Urine Phosphorus
Preferred SpecimenUrine, 24 Hour
Preferred Container24 Hour Urine Container
Other Specimen/ContainerRandom Urine in Clean Container
Optimum Volume0.5 mL
Collection InstructionsRecord entire 24 Hr Vol on container & requisition
Keep refrigerated during collection.
Handling InstructionsAfter collection, acidify with 6N HCl to obtain a pH <3
Send a well-mixed, 50 mL acidified aliquot of specimen.
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityRefrigerated: 2 Days without additives, 6 Months when acidified to pH <3 with 6N HCl.
Rejection CriteriaReceived ambient, Specimen older than stability limits
Avail. StatNO
Analytic Time1 Day
MethodologyPhosphomolybdate-UV

Reference range(s)

The reference ranges listed below are valid on this date of March 31, 2025.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
24-Hr Urine PhosphorusALL400-1300400-1300mg/24hr
Urine VolumeALLmLSee report.
Total TimeALLminutesSee report.
Urine PhosphorusALLmg/dLSee report.