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Test Compendium

Test Name

  • MAGNESIUM, RBC

Test Code

  • 6158

Test Synonym

  • RBC Magnesium

Minimum Volume

  • 0.2 mL

Specimen Type

  • Red Blood Cells

Primary Container

  • Green Top Tube, Lavender Top Tube, Royal Blue Top- EDTA Additive

Transport Temp

  • Refrigerated

Specimen Requirements

  • 1 mL RED BLOOD CELLS from a centrifuged and plasma removed - lavender, green, Royal Blue with EDTA or Tan (lead free)

Specimen Retention

  • Green-top (heparin) tube or lavender-top (EDTA) tube or royal blue-top (EDTA) tube or tan-top lead free tube. Centrifuge tube within 45 minutes of collection and separate plasma from cells. Discard the plasma. Using the original collection tube, submit ONLY the RBCs to the laboratory.