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MAGNESIUM

Test Code
MG


Alias/See Also
MAG


CPT Codes
83735

Preferred Specimen
1.0 mL plasma collected in a PST (LiHeparin tube)


Minimum Volume
0.5 mL


Other Acceptable Specimens
Serum- Red Top
Serum- SST
Tiger Top


Specimen Stability
Room Temperature: 7 days at 15-25°C Refrigerated: Plasma 7 days at 2-8°C Frozen: 1 year at -15 to -25°C



Last Updated: October 31, 2024


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.