24 hours
Colorimetric
Accredited NRL Laboratory
Daily
Measures magnesium excreted over 24 hours. Evaluates magnesium loss in kidney disorders or during supplementation.
24 hour urine
2.2 mL
Urine container with 6N HCl
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Refrigerated | 3 days |