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Test Compendium

6158: MAGNESIUM, RBC

Test Code

  • 6158

Test Synonym

  • RBC Magnesium

Volume

  • 1 mL

Minimum Volume

  • 0.2 mL

Specimen Requirements

  • Red Blood Cells

Container

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

Storage

  • Refrigerated

CPT Codes

  • 83735
    *The CPT codes provided are based on AMA guidelines and are provided for informational purposes only. CPT coding is the responsibility of the billing entity. Please direct any questions regarding the CPT coding to the payer being billed.

Special Instructions

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

Additional Information

  • 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.

Specimen Stability

  • AMBIENT: 14 days REFRIGERATED: 14 days FROZEN: 14 days