MAGNESIUM, RANDOM URINE

What this test checks

Measures magnesium in a single urine sample. Less detailed than 24-hour collection but easier.

Why do people get this test?

Used for screening before deciding if a 24-hour collection is needed.

When you should consider this test

• Initial check for abnormal magnesium handling
• Follow-up of treatment
• Doctor requested

How to prepare

Collect urine as instructed at collection.