BCH Order Code LAB406 Magnesium, 24 Hour, Urine
Performing Laboratory
Boulder Community Health
Specimen Requirements
Container/Tube: Plastic urine container
Specimen Volume: Entire 24-hour urine collection
Collection Instructions: No preservative. Refrigerate specimen during collection, and send specimen refrigerated.
Note: 1. Starting and ending times of collection are required.
2. Follow instructions in “Urine Collections” in Special Instructions.
Specimen Transport Temperature
Refrigerate
Reference Values
73.0-122.0 mg/24 hours
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
81050-urine timed measurement
83735-magnesium