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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