9669      Magnesium, RBC
Specimen:
  Collect: One 7 mL Royal Blue (EDTA)  
  Submit:  
  Special Handling: Immediately centrifuge and remove plasma - submit RBCs ONLY 
  Rejection Criteria: Clotted Specimen
Whole blood samples with RBCs not separated 
  Stability: Ambient: 1 Week(s); Refrigerated: 2 Week(s); Frozen: Unacceptable; Incubated: Unacceptable 
Methodology: Inductively Coupled Plasma (ICP); Mass Spectrometry (MS) 
Performed: Monday, Thursday 
Reported: 3-7 Day(s) 
CPT Codes:
83735
Interpretive Data:
General Reference Range : 1.5-3.1 mmol/L