Days Set Up
Daily, 24 hours
Analytic Time

2 hours

MiChart Code
Magnesium
Soft Order Code
MAG

Test Updated:

Synonyms

OBMAG
Mg
MAG
MAGNESIUM LEVEL
MAGNESIUM LEVEL, OBSTETRICS

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

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Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Colorimetric (Xylidyl Blue)

Test Usage

Evaluation of metabolic disorders, monitoring level in patients on long term intravenous therapy.

Reference Range

1.5 - 2.4 mg/dL

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Collect specimen in an SST tube. Grossly hemolyzed, icteric or lipemic samples may cause a significant interference with this assay.

Collection Offsite

Collect specimen in an SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate. Grossly hemolyzed, icteric or lipemic samples may cause a significant interference with this assay.

Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum

Billing Information

CPT Code
83735
Pro Fee Code
 
LOINC
19123-9

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.

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