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Magnesium, Urine, 24 Hour (Urine Magnesium 24 Hr)
Test CodeUMG24
Preferred Specimen
1mL aliquot from a 24 hr urine collection acidified with HCL
Instructions
"Please note 24hr. total volume before aliquot Urine is collected with no preservative and an aliquot is acidified in the lab with HCL.
Testing Frequency: Daily"
Testing Frequency: Daily"
Transport Temperature
Refrigerate
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stability: 7 days Room temp, 7 days refrigerate12 mos. frozen
Methodology
Colorimetric(Dye-Methylthymol Blue)