Test Code LAB406 Magnesium, Urine, 24 hours
Methodology
Colorimetric
Performing Laboratory
RCH
Specimen Requirements
10 mL from a 24-hour urine collection in a plastic urine container. No preservative. Forward promptly.
Note: 1. 24-Hour volume is required on request form for processing.
2. Follow instructions in “Urine Collection” in “Special Instructions.”
Specimen Stability
Refrigerated: 7 days
Frozen: -20C for 1 month
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
83735