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Magnesium, RBC

CPT Code(s): 83735
Specimen Required: Patient Preparation:
Collect:Royal blue (EDTA).
Specimen Preparation:Centrifuge whole blood and separate RBCs from plasma within 2 hours of collection. Transfer 2 mL RBCs to an RDL Trace Element-Free Transport Tube (RDL supply #43116). Available online through eSupply using RDL Connect™ or contact RDL Client Services at (888) 431-7474. (Min: 0.6 mL)
Storage/Transport Temperature:Room temperature. Also acceptable: Refrigerated.
Stability:After separation from plasma: Ambient: 1 week; Refrigerated: 2 weeks; Frozen: Unacceptable
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • Intracellular MagnesiumMgRBCs
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