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Test ID NVLD0176 Magnesium, 24hr urine

AKA

MG,24HR UR

Specimen type/Requirements

Urine

Specimen Volume

5.0 mL

Stability

7 days refrigerated

Performed Test Frequency

Daily (Monday-Sunday)

Methodology

Colormetric

Performing Lab

Chemistry Department Sanford Bismarck

Instructions

Specimens coming from outreach labs should be measured and aliqouted.
Note the total volume on the aliqout tube.
Specimen’s pH should be adjusted to 1 with 37% HCL after collection to prevent the precipitation of magnesium-ammonium phosphate.
See specimen collection section for proper 24 hour urine instructions.

Minimum Volume

1.0 mL

Container Type

24 hour urine container

CPT

83735

Transport Temperature

Refrigerated