Test directory: Magnesium, Urine

Ordering Code531
Test NameMagnesium, Urine
Alias24 Hr Urine Magnesium
Random Urine Magnesium
Preferred SpecimenUrine, 24 Hour
Preferred Container24 Hour Urine Container
Other Specimen/ContainerRandom Urine in Clean Container
Optimum Volume0.5 mL
Collection InstructionsKeep refrigerated during collection
Record entire 24 Hr Vol on container & requisition
Send a well mixed 50 mL aliquot of specimen.
Handling InstructionsAcidify urine with 6N HCL to pH 1.
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityRefrigerated: 3 Days
Frozen: 1 Year
Rejection CriteriaInsufficient quantity, Not acidified, pH> 7.5, Specimen older than stability limits, Received ambient
Avail. StatNO
Analytic Time1 Day
MethodologyColorimetric, Xylidyl Blue

Reference range(s)

The reference ranges listed below are valid on this date of January 15, 2025.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
24-Hr Urine MagnesiumALL60-21060-210mg/24hr
VolumeALLmLSee report.
Urine MagnesiumALLmg/dLSee report.