Test Code UMGT Magnesium, 24 Hour, Urine
Methodology
Methylthymol Blue Complex, ModifiedPerforming Laboratory
Aspen Valley HospitalPhysician Office Specimen Requirements
Send entire 24-hour urine collection in a plastic urine container. No preservative. Refrigerate specimen during collection, and send specimen refrigerated.Note: 1. Starting and ending times of collection are required on request form for processing.
2. Follow instructions in “Urine Collection” in “Special Instructions.”
Reference Values
24-255 mg/24 hoursDay(s) Test Set Up
Monday through SundayTest Classification and CPT Coding
81050 - urine time measurement83735 - magnesium