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HelpTest Code MGU Magnesium, urine
Specimen Requirements
Specimen Type: Urine
Container/Tube: Urine cup
Volume: 100.0 mL
Minimum Volume: 30.0 mL
Collection Instructions: Collect mid-stream urine in preservative-free urine container.
Specimen Stability
| Specimen Type | Urine |
|---|---|
| Ambient | 2 days |
| Refrigerate | 2 days |
| Frozen | 1 year |
Specimen Condition
| Haemolysis | Not applicable |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Not applicable |
| Others | Not applicable |
Methodology
Enzymatic Assay
Days and Times Performed
24 hrs, TAT 1 day
Reference Interval
Reference interval not available for this test.
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Determine deficiency or excess states.
Update
Last updated 11/03/2025
LOINC Code Information
2598-1
Service Code
31306
Laboratory Code
LAB3040451