MAGNESIUM, URINE, 24-HOUR

Test Code: 4UMGSpecimen Collection: Urine
Component:

Magnesium, 24 Hour

Method:

CALC

Collection Notes: Collect urine specimen in a plastic screw-capped container. Acidify sample to pH 1 with concentrated HCl to prevent precipitation of magnesium ammonium phosphate. Record total volume.
Clinical Utility: 
CPT Code: 83735Testing Location: AML
SPECIMEN/STABILITY TYPE
Temperature:

Urine (10 mL)

Refrigerated
 
7
 
Days
Frozen
 
>7
 
Days
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