Magnesium, Urine (24 Hr)

Methodology: Colorimetric

Specimen Requirements: Submit an entire 24-hour urine collection in a urine container supplied by Meadville Medical Center Laboratory. Refrigerate specimen during and after collection. Add 25 mL of 6N HCL as preservative at start of collection. This preservative is intended to achieve a pH of 3.

NOTE: Refer to “Patient Information” section in back of manual for patient handout explaining collection information for this test.

Analytical Time:
2 days

Days Set Up: Monday through Friday

CPT Information:
83735 – magnesium