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Test Code UMGT Magnesium, 24 Hour, Urine


Methylthymol Blue Complex, Modified

Performing Laboratory

Aspen Valley Hospital

Physician Office Specimen Requirements

Send entire 24-hour urine collection in a plastic urine container. No preservative. Refrigerate specimen during collection, and send specimen refrigerated.
Note:  1. Starting and ending times of collection are required on request form for processing. 

2. Follow instructions in “Urine Collection” in “Special Instructions.”

Reference Values

24-255 mg/24 hours

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

81050 - urine time measurement

83735 - magnesium

Special Instructions