Magnesium (24 Hrs Urine)

Specimen Required

24 Hrs Urine

Fasting Required

Purpose of the Test

Magnesium is an essential mineral that helps regulate nerve and muscle function, blood pressure, and blood sugar levels. This test is ordered to measure the amount of magnesium excreted in a 24-hour urine sample to help diagnose and monitor conditions related to magnesium levels, such as kidney disease or an imbalance in electrolytes.

When this test is required

This test is usually ordered when a person has symptoms that suggest a magnesium deficiency or excess or if they are being monitored for kidney disease or another condition affecting magnesium levels. It may also be part of a routine metabolic panel.

What the Test Detects

This test measures the amount of magnesium excreted in a 24-hour urine sample. Magnesium is an essential mineral that is necessary for many bodily functions, including nerve and muscle function, blood pressure regulation, and the production of energy.

Preparation for the Test

No special preparation is needed for this test, but your healthcare provider may give you specific instructions for collecting the urine sample.

Sample Requirements

A 24-hour urine sample is required for this test. This involves collecting all urine passed over a 24-hour period in a special container provided by the laboratory.

Additional Notes

It is important to follow your healthcare provider’s instructions for collecting the urine sample to ensure accurate results. Certain medications and supplements can affect magnesium levels, so it is important to tell your healthcare provider about any medications or supplements you are taking before the test.

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