Home
HelpMagnesium, RBC
Icon & Photo
Plain Green Tube (Heparinized Plasma)
Useful For
Evaluate magnesium deficiency
Specimen Requirements
Preferred:
Container/Tube: Plain Green Tube (Heparinized Plasma)
Minimum Volume: 1.0 mL Blood
Collection Instructions: Centrifuge tube as soon as possible and separate plasma from cells. Discard the plasma. Using the original collection tube, submit only the RBCs to the laboratory.
Storage Instructions: Room Temperature
Specimen Stability
Ambient: 14 days
Refrigerate: 14 days
Reject Due To
Serum or plasma specimen
Turn Around Time
2-4 days
Reference Range
3.7–7.0 mg/dL
Methodology
Atomic absorption spectrometry (AAS); inductively-coupled plasma/mass spectrometry (ICP/MS)
CPT
83735