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HelpTest Code 24 UR MAG Magnesium, 24 Hour, Urine
Performing Laboratory
North Ottawa Community HospitalSpecimen Requirements
Specimen Type: UrineContainer/Tube: 24-hour urine container
Specimen Volume: Entire collection
Collection Instructions:
1. Collect a 24-hour urine specimen.
2. No preservative.
3. Refrigerate specimen during collection.
Additional Information:
1. Starting and ending times of collection are required.
2. Follow instructions in Urine Collection in Special Instructions.
Reference Values
75-150 mg/24 hoursDay(s) Test Set Up
Monday through SundayMethodology
Bichromatic End pointSpecimen Transport Temperature
RefrigeratedTest Classification and CPT Coding
81050-Urine timed measurement83735-Magnesium