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HelpEpic Code LAB406 Magnesium, 24 Hour Urine
Test Name Alias
Magnesium Level Urine 24 Hr | Mg Level Urine 24 Hr, Mg | 8143
Interface Order Alias
10668
Quick Collect
24H/NP/R
Specimen Requirements
Specimen Type: Urine, 24-hour collection
Container/Tube: Plastic 24-hour urine jug
Volume: Entire collection
Minimum volume: 10 mL
Collection Instructions: No additive. Refrigerate specimen during collection. Starting and ending times of collection are required.
- Detailed Instructions (link): Patient Collection Instructions
- Detailed Instructions (link): Urine Collection Guide for Staff
Specimen Transport Temperature
Refrigerate
Specimen Stability
Refrigerate: 72 hours
Frozen: acceptable
Laboratory Retention: 72 hours
Test Frequency
Available daily, usual TAT 1 day.
Reference Range
50 – 150 mg/24hrs
Performing Department
Chemistry
Performing Department Laboratory Location
Corewell Health Reference Laboratory, Grand Rapids, MI
Methodology
Colorimetric
CPT
83735
CDM Code
3018373501
Epic Test ID
1230100912
LOINC
Hrs Coll UrMg: 13362-9
Volume UrMg: 3167-4
UrMg mg per dL: 32024-2
UrMg mg per 24 hr: 24447-5
Mayo Access Code
SHO10668
Additional Information
6N HCl is an acceptable preservative for this test.
Reviewed Date
3/7/2024