Laboratory Medicine
Test catalogue
Magnesium (Mg) | |
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Test NameMagnesium (Mg) |
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Specimen Type / RequirementsContainer Type = 1 Gold Top (SST) Minimum Testing Volume = 1 ml serum Tube must fill to at least ½ or greater of its vacuum capacity |
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Specimen HandlingCollection Instructions: Serum or heparinized plasma collected with or without gel separator. Write your initials, date and time of collection on the collection label or requisition. Special Instructions Separate serum or plasma from cells within 2 hours of collection Rejection Criteria: Gross hemolysis, Unlabeled or Not Sufficient Quantity samples will be rejected. Stability:Stable for 1 week separated from cells at room temperature, refrigerated for 1 week and frozen -15 to -20°C for 1 year. Transportation:Send sample to core lab as soon as possible. |
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Required Documentation |
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Turnaround Time (TAT)1 hour for Trauma / Stat - 2 hours for routine |
Test UtilizationRoutine |
Reference ValueAdult: 0.63 – 0.94 mmol/L 0 – 1 Week: 0.85 – 0.95 mmol/L Critical Intervals < 0.40 mmol/L and > 2.50 mmol/L |
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Test CodeMG |
MethodologySpectrophotometric (Colorimetric; Endpoint method) |
Testing LocationSMH-Biochemistry |
Other Information
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