Magnesium, RBC

Test Code: TD_5000

CPT Code(s): 83735

$89

Test Details

Alternative Name(s)

Mg, RBC
RBC magnesium
RBC mg
Red cell magnesium

Test Includes

RBC Magnesium

Methodology

Inductively-coupled plasma/mass spectrometry (ICP/MS)

Rejection Criteria

Hemolysis
Frozen samples
Clotted samples
Samples not separated from plasma
Samples received with any plasma remaining on cells
Samples submitted in non-trace metal-free tubes

Reference Range(s)

3.6-7.5 MG/DL

Specimen Requirements

Preferred Specimen

Royal blue trace metal-free tube with EDTA

Minimum Volume

0.6 mL red blood cells

Sample Stability

2 weeks room temperature
2 weeks refrigerated
Unacceptable frozen

Transport Temperature

Refrigerated

Collection Instructions

Collect 7 mL royal blue trace metal-free tube with EDTA.
Centrifuge sample within 2 hours of collection. Remove all
plasma and discard. It is important that all plasma be
removed from the cells, as leaving any plasma on the cells
may cause sample to be rejected. Submit remaining red
blood cells in the original collection tube. Please be
sure to use the royal blue top stopper to seal the tube
after removing the plasma. Other caps may cause the
specimen to be rejected.
Clearly label collection tube as rbcs

Alternative Specimen

None