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Magnesium, Random Urine
Alternative Names/Synonyms
Mg
Laboratory
Core Laboratory & Transfusion Medicine
Sub-section
Biochemistry
Specimen Type
Urine
Test Code
MGURR
Clinical Significance (If applicable)
Assisting in workup of magnesium disorders.
Assessing risk of kidney stones.
Specimen Requirements (Sample Type)
Urine
Specimen Requirements (Volume (mL))
5 mL
Specimen Requirements (Tube Type)
Sterile Urine Container
Clear Top Urine Tube
Collection Containers – Tube Types
Collection Requirements
Collection Instructions
Sample Stability
Room Temperature
: 3 days
Fridge
: 3 days @ 2-8°C
Freezer
: 1 year @ -20°C
Cause for Rejection
Specimen Acceptability and Transport Guidance
Instrument, Methodology
Roche cobas c 702, colourimetric
Test Availability
24 hours a day, 7 days a week
STAT Turnaround Time
1 hour
Routine Turnaround Time
3 hours
Reference Ranges
0.60 - 4.90 mmol/L
In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.
Laboratory Contact Information
416-586-4800 extension 4688
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