Magnesium, Urine, Random

Yellow Top Urine Tube

Specimen Type

Test ID   LAB5195
CPT Code(s)   83735
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   Routine 30; STAT 888
Specimen Routine:

10 mL Random Urine in Yellow Top Urine Tube (No Preservative/Additive); See comments

10 mL Random Urine in sterile collection container is acceptable if refrigerated.

  micro: 1 mL random urine in Yellow Top Urine Tube (No Preservative/Additive).
Room temperature: 4 hours
Refrigerator: 7 days
Frozen: 12 months
Availability 24 hr/day
Turnaround Time   Routine: 2 hrs
STAT: 1 hr
Reference Range Normal: Undefined, varies with Diet
Comments Other clinical data should be taken into consideration when interpreting these results.

Reviewed by Christopher Parker on January 13, 2022

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514