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Test Code 24H UR MG Magnesium, 24 Hour, Urine

Methodology

Colorimetric

Performing Laboratory

Decatur Morgan Hospital-Decatur Campus

Specimen Requirements

Submit an entire 24-hour urine collection in a urine container. No preservative. Refrigerate specimen during collection, and send specimen refrigerated.
Note:  1. Starting and ending times of collection and patient’s age are required on request form for processing.
2. Follow instructions in “Urine Collection—Decatur” in “Special Instructions.”

Reference Values

1.2-29.2 mg/24 hours

Test Classification and CPT Coding

81050 - urine timed measurement
83735 - magnesium

Special Instructions