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Laboratory Test Directory

Magnesium, Urine

Overview
Specimen Requirements
Billing Code

Components

Name Method Department Units
Magnesium, Urine Colorimetric, reflectometry
Core Lab, Chemistry, Routine mg/dL
Test Code

MGU

Typical Turnaround Time

2 hours

Setup Schedule

All shifts
Daily

Specimen Requirements

Urine - Random

Container Type Container Size Specimen Volume
Preferred

Sterile container

 N/A 5 mL
Stability

Room temperature - 1 week(s)
Refrigerated - 1 week(s)
Frozen - 1 month(s)

Reasons for Rejection

  • Use of urine preservative
  • Collected in diaper or cotton balls

CPT Code

  • 83735