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MGRBC / 64612-MT
MAGNESIUM, RED BLOOD CELL

Test Code MGRBC / 64612-MT 
Test MAGNESIUM, RED BLOOD CELL 
Methodology Inductively Coupled Plasma/Mass Spectrometry (ICP-MS) 
Specimen This test requires ORIGINAL TUBE WITH RED BLOOD CELLS AS WELL AS EDTA PLASMA. See below:

PLEASE USE TEST KIT.
Draw blood in a Royal Blue Top EDTA (Metal Free) tube.
Spin down and separate plasma from red cells as soon as possible.
Pour off plasma into a METAL FREE screw-capped plastic vial.
Send the transfer tube with plasma and the ORIGINAL TUBE WITH RED BLOOD CELLS, REFRIGERATED. 

Reference Values 3.5 - 7.1 mg/dL 
Analytic Time 3 Days 
Day(s) Test Set Up Monday through Saturday 
CPT Code(s) 83735