Magnesium

Test Code

MAGNESIUM

Alias/See Also

MG
Chemistry

Preferred Specimen

Light Green Top Tube -Plasma

Minimum Volume

2 mL

Other Acceptable Specimens

Gold top tube

Transport Temperature

Refrigerate

Specimen Stability

Room temperature: 7 days
Refrigerated (2-8°C): 7 days
Frozen (-20°C or colder): 1 year

Methodology
Xylidyl Blue

Setup Schedule

Daily

Report Available

TAT 1 day

Reference Range

1.6 - 2.6 mg/dL

Clinical Significance

Magnesium measurements are used in the diagnosis and treatment of hypomagnesemia (abnormally low plasma levels of magnesium) and hypermagnesemia (abnormally high plasma levels of magnesium). Magnesium is decreased in chronic nephritis, acute pancreatitis, and alcoholic cirrhosis. It is increased in acute or chronic renal failure and Addison's Disease.

Performing Laboratory
Test performed in these BACL Chemistry Labs
Contact: Jonathan Dryjowicz-Burek, West Roxbury 857-203-5973
Alternate contact Joseph A, Manzone JP 857-364-5092
Alternate contact Diane Robert BR 774-826-2294
Alternate contact Rita Rocha BED 781-687-2603

Last Updated: May 17, 2022

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.